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In order to further guide all localities to do a good job in the prevention and control of the new crown pneumonia epidemic, ensure that the regional nucleic acid testing tasks are completed in quality and quantity within the specified time, and achieve "early detection, early isolation, early diagnosis, and early treatment", combined with the previous practice, the National Health Commission revised the "Guidelines for the Organization and Implementation of the New Coronavirus Nucleic Acid Testing Organization for All Employees (Second Edition)" and formed the "Guidelines for the Implementation of Regional Novel Coronavirus Nucleic Acid Testing Organizations (Third Edition)".
The third edition of the "Guidelines" pointed out that on the basis of accurate and rapid circulation investigation and strict community control, it is necessary to scientifically judge the risk of epidemic transmission, delineate the scope of regional nucleic acid testing, and formulate specific work plans to further improve the quality and efficiency of nucleic acid testing. The key revisions are as follows: First, emphasize scientific precision and conduct nucleic acid testing on the delimited areas. In order to further improve the level of scientific and accurate prevention and control, the third edition of the "Guidelines" puts more emphasis on accurately delineating the scope of detection on the basis of scientifically judging the epidemic situation, and modifies the "full staff" in the second edition of the "Guidelines" to "region", and the size of the area is determined by the needs of epidemic prevention and control, and guides all localities to complete nucleic acid testing in the delimited areas. The second is to further clarify the time limit requirements for completion. In order to adapt to the rapid spread of new coronavirus variants such as Omilon, it is stipulated that the nucleic acid testing of the delimited scope should be completed within 24 hours to further improve the "early detection" ability of the epidemic. The third is to set up a number of special work classes. According to the various links and departments involved in regional nucleic acid testing, guide the local government to set up 9 special classes for data statistics and matching, such as special classes for data statistics and special classes for collection and inspection, and stipulate the responsibilities of special classes. The 9 special classes do not require the establishment of a requirement, and each locality can flexibly add or merge according to the actual situation, but it is necessary to ensure that the responsibilities are not vacant. The fourth is to provide a basis for measuring the detection force. In order to facilitate local measurement and preparation of testing forces, on the basis of fully summarizing the experience of Xi'an, Tianjin and other places, clear calculation guidance is given to the number of sampling personnel and nucleic acid testing capabilities required for nucleic acid testing in various places within 24 hours. Fifth, streamline the technical requirements for testing. Combined with the scope of application and practical operation needs of this "Guidelines", the requirements already existing in technical documents such as the "Manual for Nucleic Acid Detection of Novel Coronavirus in Medical Institutions (Trial)" are not expressed in the text. Instead, the management requirements for the organization, transfer, detection, and disposal of results of sampling are further highlighted and clarified.
Q&A ——
1. Regarding the organization of nucleic acid testing for the new coronavirus, there have been two versions of the Guidelines before, why should we revise and issue the third edition of the Guidelines?
The first two editions of the "Guidelines" have played a very good guiding role in guiding localities to carry out large-scale nucleic acid testing, but the recent epidemic prevention and control situation facing the mainland is severe and complex, and there have been clusters of epidemics in multiple provinces at the same time, or multiple cities in one province at the same time, coupled with the characteristics of the Rapid Transmission Speed, Strong Infectivity, and Hidden Transmission of the Aumechjong Variant Strain, which put forward new and higher requirements for organizing nucleic acid screening. At the same time, in order to summarize and promote the beneficial experience of nucleic acid screening in Zhengzhou, Xi'an, Tianjin and other cities in the early stage, and guide local governments to solve problems encountered in practice, it is also necessary to revise and form a new version of the "Guidelines".
2. Compared with the Third Edition of the Guidelines and the Guidelines for the Implementation of Nucleic Acid Testing organizations for the novel coronavirus for all employees (Second Edition), what are the main revisions?
The following aspects have been mainly revised: First, it emphasizes scientific precision and conducts nucleic acid testing on the demarcated areas. The "full staff" in the second edition of the "Guidelines" was revised to "region", and the size of the area was determined by the needs of epidemic prevention and control. The second is to further clarify the time limit requirements for completion. It is stipulated that the delineated nucleic acid testing should be completed within 24 hours. The third is to set up a number of special work classes. According to the various links and departments involved in regional nucleic acid testing, guide the local government to set up 9 special classes for data statistics and matching, such as special classes for data statistics and special classes for collection and inspection, and stipulate the responsibilities of special classes. The fourth is to provide a basis for measuring the detection force. Clear measurement guidance is given for the number of sampling personnel and nucleic acid detection capabilities required for nucleic acid testing in various places within 24 hours. Fifth, streamline the technical requirements for testing. Combined with the scope of application and practical operation needs of the third edition of the Guidelines, the requirements already in technical documents such as the "Work Manual for Nucleic Acid Detection of Novel Coronavirus in Medical Institutions (Trial)" are not expressed in the text, but the management requirements such as the organization, transfer, testing, and disposal of results of sampling are further highlighted and clarified.
3. What exactly does the term "area" refer to in the third edition of the Guide? Is it a sealing area, a control area, a prevention area, or is all three areas included?
The "area" in the Guidelines includes the sealing and control area, the control area, and the prevention area. The area may be as small as a building or as large as the whole city, and the specific situation should be determined by the local epidemic prevention and control headquarters on the basis of scientific research and judgment, according to the actual needs of epidemic prevention and control, and dynamically adjusted.
4. Compared with the previous version of the "Guidelines" for nucleic acid testing, the new version of the "Guidelines" emphasizes the accurate delineation of the scope of testing. What are the main reasons for this? Will there be large-scale full-scale testing in the future?
Recently, General Secretary Xi Jinping presided over a meeting of the Standing Committee of the Political Bureau of the CPC Central Committee, emphasizing the need to improve the level of scientific and accurate prevention and control. This is crucial for nucleic acid testing. We require that nucleic acid testing should be clearly targeted and targeted, and cannot engage in flood irrigation, cannot engage in "one-size-fits-all", and effectively use valuable nucleic acid testing resources. Therefore, the third edition of the "Guide" not only guides all localities how to complete the testing task in quality and quantity within the specified time, but also emphasizes the need to do a good job in accurate and rapid circulation investigation, strict community control, and after scientific research and judgment, delineate the scope of testing. The scope of nucleic acid detection is directly related to whether the source of its risk is clear, and it is also related to whether the source of circulation is accurate, whether the distribution of infected people is widespread, and whether the isolation and control measures are implemented. Whether large-scale nucleic acid testing is required for all employees should depend on scientific research and judgment to serve the needs of epidemic prevention and control.
5. Carry out regional nucleic acid testing, involving more links and departments, what are the key links worth noting?
Carrying out regional nucleic acid testing first requires the local party committee and government to have a strong ability to organize mobilization and deployment, and to achieve efficient coordination and cooperation between various departments, so in the "Guidelines", we have made key requirements for the "organization management" part. In addition to organizational management, the local nucleic acid testing capacity in the region should have a full understanding and preparation, and the organization and orderly organization of community sampling, the information management of sampling and detection, the accuracy of sampling operations, and the avoidance of possible cross-infection during sampling, the matching of sampling and testing, the accuracy of nucleic acid testing, and the scientific research and judgment after each round of testing are all key links that must be paid attention to.
6. Recently issued the "New Coronavirus Antigen Detection Application Plan (Trial)", in the process of organizing testing in various places, will antigen testing be used?
In the third edition of the Guidelines, antigen testing is mentioned for detection strategies. It is pointed out that all localities can combine the relevant requirements of antigen detection of the new crown virus, promote the monitoring mode of "antigen screening and nucleic acid diagnosis", increase antigen detection as a supplementary means of regional nucleic acid detection, and organize implementation after studying and refining the implementation plan.
The full text of the attached document -
Joint prevention and control mechanisms (leading groups and command centers) for provinces, autonomous regions, municipalities directly under the Central Government and the Xinjiang Production and Construction Corps in response to the COVID-19 epidemic:
In order to further guide all localities to do a good job in the prevention and control of the new crown pneumonia epidemic, complete the regional nucleic acid testing tasks within the specified time, and achieve "early detection, early isolation, early diagnosis, and early treatment", combined with the previous practice, we revised the "Guidelines for the Implementation of the Implementation of the New Coronavirus Nucleic Acid Testing Organization for All Employees (Second Edition)" and formed the "Guidelines for the Implementation of regional novel coronavirus nucleic acid testing organizations (third edition)" (which can be downloaded from the "Medical Administration and Medical Management" column of the National Health Commission website). It is hereby issued to you, please refer to the implementation.
Guidelines for the Implementation of Regional Nucleic Acid Testing for Novel Coronavirus Nucleic Acids (3rd Edition)
In order to further guide all localities to do a good job in the prevention and control of the new crown pneumonia epidemic, ensure the completion of regional nucleic acid testing tasks in quality and quantity within the specified time, and achieve "early detection, early isolation, early diagnosis, and early treatment", combined with the previous practice, we revised the "Guidelines for the Implementation of the Implementation of the New Coronavirus Nucleic Acid Testing Organization for All Employees (Second Edition)" and formed the "Guidelines for the Implementation of Regional Novel Coronavirus Nucleic Acid Testing Organizations (Third Edition)".
First, the general requirements
On the basis of accurate and rapid circulation investigation and community control, scientifically study and judge the risk of epidemic transmission, delineate the scope of regional nucleic acid testing, formulate specific work plans, strengthen organizational management, optimize the process of collection, delivery, inspection and reporting, and further improve the quality and efficiency of nucleic acid testing. After the outbreak of the new crown pneumonia epidemic, the districted cities, including megacities with a permanent population of more than 10 million in urban areas, should complete the regional nucleic acid testing task within 24 hours. If necessary, it can be guaranteed through regional coordination support, and if necessary, national support can be applied.
2. Organizational management
(1) Establish organizational mechanisms. Districted cities shall establish nucleic acid testing working groups under the local joint prevention and control mechanism, led by the standing committee of the municipal party committee, organize relevant departments such as health and health, public security, civil affairs, transportation, finance, industry and informatization, ecological environment, and propaganda departments of party committees, and multi-party linkage to establish a flat work mechanism, emergency use in the event of an epidemic, with districted cities as units, coordinate regional nucleic acid testing work, grasp the overall situation of the jurisdiction, and avoid simply dividing the work tasks and assigning them to counties and districts.
(2) Formulate a work programme. Districted cities have formulated operable regional nucleic acid testing work plans under the local joint prevention and control mechanism, clarified the division of responsibilities and responsible persons of relevant departments, straightened out the whole chain workflow, combined peace and urgency, and carried out early warning screening drills in a timely manner.
(3) Establish special work classes.
1. Data statistics special class. It is mainly responsible for the unified centralized management of the data and information generated by regional nucleic acid testing, establishing a clear information circulation process, and specially collecting, stating and reporting by special personnel. The nucleic acid testing working group sends a contact person to each testing institution undertaking regional nucleic acid testing tasks, establishes a contact and supervision mechanism between the data statistics special class and the testing institution, grasps the testing progress of each institution in real time, solves the problems encountered at any time, and supervises the timely upload of test results.
2. Sampling and matching special class. It is mainly responsible for formulating the sampling matching plan according to the nucleic acid detection work plan, and strengthening the dynamic command and adjustment of the sampling and testing matching. It is necessary to accurately grasp the nucleic acid detection capacity that can be mobilized in the city and the population base of each street (township), community and community, and grasp the progress of collection, delivery and inspection in real time in the process of regional nucleic acid testing, so as to avoid uneven busyness of testing institutions or sample backlogs.
3. Sample transfer class. It is mainly responsible for scientifically calculating the demand for transportation capacity, rationally deploying transshipment forces, working closely with the special class for procurement and inspection matching, dynamically adjusting the sample transfer scheme, and ensuring that the testing institutions enter the saturated working state at the fastest speed. The arrangement and deployment of transportation capacity should be optimized according to the number of nucleic acid sampling points, distance, transfer vehicle capacity, and time required for transfer.
4. Positive result disposal special class. It is mainly responsible for coordinating and managing the disposal of all positive nucleic acid test results in epidemic-related cities (including single positive and mixed positive), and quickly coordinating the completion of information circulation, single recovery review of mixed positive and transfer of single positive personnel. The special class consists of 120 transfer, public security, disease control and emergency sampling teams.
5. Material support special class. It is mainly responsible for the estimation, reserve and supply guarantee of various materials required for regional nucleic acid testing, including testing materials, protective materials, transshipment materials, killing materials and necessary daily necessities, etc., and establishes an effective call mechanism to manage it nearby. Among them, the consumables required for sampling are stored according to the local population, and the city and county are uniformly dispatched.
6. Quality control class. Mainly responsible for the quality control of regional nucleic acid testing, the establishment of nucleic acid sampling supervision group, nucleic acid testing supervision group, the sampling personnel operation, personal protection, laboratory testing quality control, and cross infection prevention and control at sampling points and laboratories. By strengthening quality control, false negatives or false positives are minimized and false nucleic acid test reports are issued.
7. Medical waste disposal special class. Mainly responsible for the collection, temporary storage, transfer, disposal and other management of medical waste generated by each link of nucleic acid testing, according to the increase or decrease of medical waste generation, timely adjust the frequency of removal, and centralized disposal of medical waste.
8. Informatization guarantee special class. Responsible for the operation and monitoring of the nucleic acid detection information system, timely handling of information system failures, ensuring the safe operation of the system, avoiding problems such as downtime or system collapse; and doing a good job in communication support during nucleic acid testing.
9. Comprehensive management class. Mainly responsible for writing regional nucleic acid testing work programs, nucleic acid testing analysis reports, and the comprehensive coordination and guarantee of various work classes within the nucleic acid testing working group.
All localities may, in light of actual conditions, add or merge the above 9 special classes according to the organizational mobilization, sample collection, specimen testing, order maintenance, biosecurity, supervision and inspection, news publicity, etc. required for the work to be carried out, but the responsibilities must be clear and implemented to the people, and there is no gap in responsibility.
3. Work content
(1) Find out the bottom number of the population. Each districted city implements the "four-party responsibility", establishes a working account, and through grid management and drag-net investigation, finds out the actual management population base of the streets (townships), communities, and communities within its jurisdiction.
(2) Measure sampling and testing capabilities. Each districted city does not distinguish between population sizes, and all match sampling and testing forces according to the goal of completing the city's nucleic acid testing within 24 hours. Among them, in principle, all sampling tasks should be completed within 6 hours; if there is real difficulty, it can be completed within 12 hours. According to the standard of 120 samplers per hour collected by each sampling station (2 samplers), the measurement formula is: the number of nucleic acid sampling personnel (unit: people) = the number of population ÷360; the detection capacity measurement formula using 10-in-1 mixed mining detection technology is: nucleic acid detection strength (unit: tube / day) = population ÷ 10×2; using 20-in-1 mixed mining detection technology, the detection capacity measurement formula is: nucleic acid detection strength (unit: tube / day) = population ÷20×2.
(3) Refine the sampling scheme.
1. Sample point settings. The first is to scientifically plan sampling points. Each districted city shall scientifically plan the layout of sampling points based on the number of people, geographical transportation, distribution of nucleic acid testing institutions, and other such circumstances. According to the daily sampling time of 6 hours, a sampling point can be set with reference to 2000-3000 people, a sampling station can be set up for 600-800 people, and 4-5 sampling stations are required for each sampling point (each place can be set according to the actual population of communities, streets, townships, rural areas, and suburbs), and in principle, sampling points are set in small areas. The second is the scientific selection of sampling points. The sampling point shall choose an empty, well-ventilated, and relatively independent venue, and can choose a gymnasium, exhibition hall, school playground and other venues with ventilation conditions and independent space. Outdoor sampling points are encouraged when natural conditions permit. The third is to scientifically arrange sampling points. The sampling point is internally divided into waiting area, sampling area, buffer zone, temporary isolation area, and temporary storage area of medical waste, effectively dispersing the density of personnel to be tested. Set up protective clothing putting and taking off areas, equipped with hand hygiene facilities, dressing mirrors or protective devices. Sampling points need to be clearly marked to ensure the one-way flow of personnel, and clarify the sampling process and precautions. Groups such as the elderly over 60 years old, pregnant women, and the disabled should set up green channels for independent sampling. Special nucleic acid detection sampling points (sampling channels) for health code "yellow code" personnel should be set up to avoid infection caused by crossover of personnel. The fourth is to quickly build sampling points. It is required that the sampling points be completed within 2-4 hours to complete the construction and activation of the specifications, and on the basis of fixed sampling points, a grid management mode is adopted, mainly based on community sampling, and the layout is refined and improved by entering schools, enterprises, and units, so as to facilitate the sampling of the masses and improve the sampling efficiency.
2. Sample tissue. On the basis of grid management, strengthen the organization and mobilization of nucleic acid sampling, clarify the departments and personnel responsible for organizing mobilization, and standardize the workflow of organizational mobilization. Take residential buildings, natural village groups, schools, institutions and institutions, enterprises, companies, markets, hotels, etc. as the smallest unit, so that there is no shortage of households and no leakage of people. Strengthen the fine organization and management of nucleic acid sampling sites, and while maintaining the work order by staff and volunteers, encourage the strict implementation of the "1 meter line" interval requirement through the use of physical means such as seats and metal grid lines. By making appointments, notifications and sampling in advance, we will reduce the gathering of personnel in a short period of time, and strive to queue for no more than 20 minutes to avoid cross-infection.
3. Sampling method. The sampling method is determined according to the control measures already taken by the target population. Centralized isolation points and other key groups implement single collection and single inspection; groups in sealing and control areas implement single single inspection or 1 household and 1 pipe; 10-in-1 mixed mining can be implemented in control areas; prevention areas and other areas can implement 20-in-1 mixed mining. In the case that the single-collection single-test object has not been detected positive in multiple rounds of testing, it can be implemented 10-in-1 mixed mining according to the situation.
(4) Implement sampling power. Prepare sampling medical staff and information entry personnel in advance and carry out relevant training. On the basis of reasonable assessment of the workload, the staff should be equipped with 2 sampling personnel (must be medical personnel, consider changing shifts), 1 information entry personnel, and each sampling station should collect 120 samples per hour for calculation. Sampling healthcare providers should be proficient in nasopharyngeal and oropharyngeal swab collection methods and undergo rigorous personal protection and infection control training. Information entry personnel should be proficient in the operation process of nucleic acid detection information system and conduct relevant infection control training.
(5) Sample preservation and transshipment. Test samples should be stored at low temperatures (2-8 °C). After initiating regional nucleic acid sampling for 1 hour, the first samples should be transferred to the testing institution so that the testing institution can start running. Subsequent samples can be collected and transferred every half hour to 2 hours, ensuring that they are delivered to the laboratory within 3 hours after collection. Priority is given to the transfer of samples from the sealed control area and the control area, and the transfer is guaranteed to be carried out no more than once every 2 hours; the time and frequency of transfer in remote villages, mountainous areas and pastoral areas shall be reasonably determined according to the specific circumstances. It can be referred to the number of samples sent per day to be about 10% of the testing capacity of the testing institution in a single day, so that the test can be carried out in an orderly manner.
According to the actual needs, the sample transfer special class estimates the number of special vehicles, personnel and transfer boxes required for transfer, and makes a good preparation for the reserve and transfer of vehicles, personnel and transfer boxes. At the same time, it is necessary to file with the health administrative department the vehicles undertaking the task of regional nucleic acid testing and transfer. During the period of undertaking transfer tasks, vehicles must not be used for other purposes, and biosecurity protection during transfers must be done. The transportation of non-inactivated samples shall be approved by the health administrative department at or above the provincial level in accordance with the law. Public security, transportation and other departments should do a good job in transport support work according to actual needs.
Do a good job in personnel protection and item elimination during the transfer of nucleic acid samples. Non-inactivated samples are packaged in accordance with the CLASS A infectious substances of UN2814 in the WHO Guidelines for the Transport of Infectious Substances with PI602, and inactivated samples are packaged in accordance with the UN3373 Class B infectious substances in PI650. Before the sample transport box is closed, the surface of the container must be disinfected with 75% alcohol or 0.2% chlorine disinfectant.
(6) Strengthen informatization support.
1. Establish a nucleic acid testing information system. Each province coordinates the construction of a regional nucleic acid testing information system in districted cities. The information system should achieve rapid and accurate entry of relevant information, including subject information (name, certificate type, certificate number, residential address, contact telephone number) and sampling information (sampling point name, district and county, sample number, date, time, collection site, type, and quantity of sample collection), and quickly feedback the information of the subject of the suspected positive sample. Realize the rapid, accurate and real-time monitoring of nucleic acid detection information, such as collection, delivery, inspection and reporting, and achieve the whole process management of nucleic acid detection. The information system can support multi-role, multi-user, high concurrency operation, and has the function of real-time summary of statistical collection, transmission and inspection of various types of information. Before going online, it is necessary to conduct a stress test in advance according to the standard of sampling 10% of the actual population every 10 minutes to ensure the stability of the information system.
2. Do a good job of picking, sending and inspecting. Before starting the regional nucleic acid test, the collection, delivery and inspection should be matched in advance, and dynamic scheduling should be carried out. First, according to the sampling ability of the sample points that have been set up and the actual detection capabilities of each testing agency, the matching of the sliced samples is done in advance. The second is to send samples in batches and dynamically dispatch according to the experimental rhythm of nucleic acid testing institutions, so as to achieve "no empty machine and no accumulation of samples", and make full use of the testing capabilities of various testing institutions.
3. Nucleic acid result feedback. Each districted city should give timely feedback on the results of nucleic acid testing, so that the information in each link of collection, delivery, and inspection is accurate, timely provide the public with methods and channels for querying test results, and do a good job of stress testing of the inquiry service system in advance to ensure that the results can be queried within 24 hours after sampling.
(7) Ensuring the supply of materials. In accordance with the principle of "preferring to be prepared rather than used, unavailable and unprepared", before starting the regional nucleic acid testing work, it is necessary to do a good job of material support in advance. Ensure that the sampling tubes required for testing (single tube, 10 in 1, 20 in 1, etc., it is recommended to use inactivated sampling tubes), throat swabs (nasopharynx, oropharynx), testing reagents, medical consumables, protective supplies, disinfection supplies and other materials are sufficiently supplied, and the quality is excellent, the model specifications are appropriate, and the office supplies, necessary daily necessities and other materials are sufficiently supplied. The material reserves of the sampling points should fully consider the factors of special weather such as rain and snow, low temperature, high heat, and typhoons, and carry out inventory-type and ledger-type reserve management according to the layout of the sampling points.
Fourth, scientifically determine the detection strategy
The joint prevention and control mechanism of districted cities should study and judge the spread trend of the epidemic according to the situation of tracing the source of circulation and the push of close contacts, and scientifically delineate the scope of nucleic acid testing in risk areas and regions at the first time and dynamically adjust them. In principle, in the first 3 days after the outbreak of the epidemic, a round of regional nucleic acid testing will be carried out every day to find out the potential risks in society; then, the scope and frequency of subsequent screening will be determined according to the comprehensive research and judgment of the traceability of the circulation, the scope of community sealing and control, and the results of nucleic acid screening.
If the social risk is not controlled and the risk point is not clear, continue to carry out 1 round of regional nucleic acid testing every day. When the social risk is controlled and the risk point is basically clarified, according to the distribution of cases, the key areas can be divided into relevant streets, communities, and communities, and the key areas can be checked once a day, and the non-key areas can be checked every other day or 3 days according to the situation, and the test results are issued within the specified time as required. Gradually reduce the scope of nucleic acid screening, improve the accuracy of screening, and scientifically and accurately screen.
All localities can combine the relevant requirements of antigen detection of the new crown virus, promote the monitoring mode of "antigen screening and nucleic acid diagnosis", increase antigen detection as a supplementary means for regional nucleic acid detection, and organize implementation after studying and refining the implementation plan.
V. Standardize the process of disposing of positive samples
(1) Single-harvest positive test disposal process. When the single sample test result is positive, the testing institution shall immediately report to the data statistics special class of the nucleic acid detection working group, and the data statistics special class shall immediately notify the positive result disposal special class, which shall carry out the following five tasks: First, notify the 120 negative pressure ambulance to transfer the positive infected person; second, notify the centralized isolation management facility to prepare to receive the positive infected person; third, notify the community (community) where the positive infected person is located to find and control the positive infected person; fourth, notify the public security organ to assist in the transfer of the positive infected person. And carry out the trajectory investigation of the positive infected person; the fifth is to notify the disease control department to carry out follow-up circulation traceability, close investigation and community sealing and control. The above-mentioned departmental notices are not in particular order.
(2) Mixed mining test positive disposal process. Each municipality has set up an emergency sampling team to be on duty 24 hours a day and be prepared to leave at any time. When the mixed sampling test is positive, the testing institution shall immediately report to the nucleic acid testing working group, and the working group shall simultaneously notify the emergency sampling team, the community (community) where the mixed pipe sample is located, and the public security organ, immediately isolate the persons involved in situ and conduct a single sampling review. A positive single sample review requires a double nasopharyngeal and oropharyngeal single test. Single-collection review samples shall be subject to the first inspection responsibility system and sent to the original laboratory for testing, such as positive single-collection review results, and processed with reference to the single-collection positive test disposal process. The disposal of mixed mining test positive should be completed within 6 hours (see the figure below).
Figure Mixed harvest positive test disposal flow chart
6. Strengthen quality control of nucleic acid testing
(1) Strengthen sampling quality control. The nucleic acid sampling supervision group uses the form of fragmentation and dry work to guide each sampling point, standardize sampling operations, personal protection and cross infection prevention and control and other related work, guide each sampling point to do a good job in on-site order maintenance, strengthen the preservation management of collected samples, and ensure that the sampling work is of high quality and efficiency.
(2) Strengthen quality control of testing. The nucleic acid testing supervision group establishes a squatting supervision mechanism, and organizes clinical laboratory experts to conduct point-to-point supervision of each testing institution. Laboratory performance verification, indoor quality control, inter-room quality assessment, etc. are carried out in accordance with the relevant requirements of the "Manual for Nucleic Acid Detection of Novel Coronavirus in Medical Institutions (Trial Second Edition)" to ensure the quality of testing. Where 20-in-1 mixed mining testing is used for the first time, training and organization should be strengthened in accordance with the "Technical Specifications for the Detection of 20-in-1 Mixed Mining of Nucleic Acids of the New Coronavirus". Strictly implement laboratory access and personnel access requirements, formulate laboratory standardization procedures, and strictly prevent laboratory pollution and cross-infection in laboratories.
VII. Standardize personnel and other related management
(1) Standardize the biosafety management of personnel and laboratories. All localities shall follow the provisions of the "Biosafety Law", "Regulations on the Management of Biosafety in Pathogenic Microbiology Laboratories", "Guidelines for Biosafety in Novel Coronavirus Laboratories (Second Edition)", and other such provisions, to carry out laboratory filings as required, strengthen laboratory biosecurity management, and prevent the occurrence of biosecurity incidents. Strengthen infection control training for medical personnel and other non-medical personnel, and training in the application of regional nucleic acid detection information systems. The protection requirements for sampling personnel and laboratory testing personnel are implemented in accordance with the "Manual for Nucleic Acid Testing of Novel Coronavirus nucleic acid in medical institutions (trial version 2)". The local government should do a good job of overall planning and coordination, strengthen the care and care for personnel involved in nucleic acid sampling and testing, and do a good job in logistical support.
(2) Strengthen the treatment of medical waste. All localities should standardize the management of medical waste, do a good job in the collection, packaging, harmless treatment, temporary storage, handover and transfer of medical waste, use double-layer packaging bags to hold medical waste, effectively seal, ensure tight sealing, and ensure that medical waste packaging is not damaged and leak-free. The medical waste disposal special class should coordinate with the medical waste disposal units with corresponding qualifications in a timely manner to dispose of the medical waste of the transfer sampling point and the nucleic acid testing institution. The medical waste generated by the nucleic acid sampling point should be cleared and transported on the same day; the medical waste generated by the nucleic acid testing institution shall not exceed 2 days when the temporary storage conditions permit, and the medical waste generated by the surge cannot be safely stored on the same day. Nucleic acid testing institutions should make an appointment with the receiving unit for the removal time according to the temporary storage site and the storage of medical waste, and the clearance and transportation should avoid windy and thunderstorm weather. The receiving and transporting unit should optimize the scheduling of transport vehicles, reasonably arrange the collection and transportation routes, and do a good job in ensuring the removal and transportation of medical waste.
Source: National Health Commission website, Chinese Health Journal
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