| national laboratory surveillance of viral agents of gastroenteritis in brazil. | in 1984 an enzyme immunoassay for rotavirus and adenovirus developed in the virology department of the oswaldo cruz foundation was distributed to laboratories in 14 brazilian states as part of a project to survey viral agents in fecal specimens from children with diarrhea. the ensuing surveillance continued for 3 to 5 years, and in 1991 the results obtained by all laboratories that tested 300 or more fecal specimens were reviewed at a workshop held in belém. these results showed that rotavirus h ... | 1993 | 8220517 |