POLIOVIRUS IN THE UPPER RESPIRATORY TRACT OF HOUSEHOLD CONTACTS.
D004813:Epidemiology; D006801:Humans; D008829:Microbiology; D009666:Nose; D010614:Pharynx; D011051:Poliomyelitis; D017955:Poliovirus; D012463:Saliva; D014132:Trachea
EPIDEMIOLOGY; MICROBIOLOGY; NOSE; PHARYNX; POLIOMYELITIS; POLIOVIRUS; SALIVA