| an epidemic of poliomyelitis in southern kerala. | an epidemic of poliomyelitis was recognized in may 1987 when there was a sharp increase in the number of children with acute paralytic poliomyelitis admitted to the sat hospital in trivandrum in kerala state. from may through september, 392 cases were admitted; the total admitted cases in 1987 were 458 in contrast to 119 in 1986. evidence for type 1 poliovirus infection was found in 33 (85%) of the 39 children in whom virological investigations were done during the epidemic. in addition, evidenc ... | 1990 | 2351513 |