[Inapparent poliomyelitis infection of 2 neighboring groups of infants and children previously vaccinated by subcutaneous route. II. Laboratory technics].
D058345:Asymptomatic Infections; D002648:Child; D003428:Cross Infection; D003625:Data Collection; D006801:Humans; D007223:Infant; D011051:Poliomyelitis
CROSS INFECTION; POLIOMYELITIS