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Winter flu Pediatrician Juye County People's Hospital
12-25
influenza Winter flu pneumonia influenza virus common cold World Health Organization Chinese Preventive Medicine Association Fever clinic Masks Sialic acid
12-17
![The winter flu hits and pediatric clinics fill up, pediatric experts say[fig]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)
