Influence of prior active immunization on the presence of poliomyelitis virus in the pharynx and stools of family contacts of patients with paralytic poliomyelitis.
D005243:Feces; D006801:Humans; D010614:Pharynx; D011051:Poliomyelitis; D017955:Poliovirus; D014611:Vaccination
POLIOMYELITIS VIRUS