| outbreak of parainfluenza virus type 3 in an intermediate care neonatal nursery. | of the four serotypes of human parainfluenza virus, parainfluenza type 3 causes the majority of infections in young children and infants. parainfluenza type 3 can occur in newborns, although most are born with neutralizing antibodies. there have been only infrequent reports of parainfluenza type 3 causing nosocomial respiratory infection in the newborn nursery setting. we report an outbreak occurring in the intermediate care nursery (imcn) at st. boniface hospital, winnipeg, canada. | 1998 | 9469395 |