Presence of polioviruses and other enteral viruses in sewage: a survey in the Czech Socialistic Republic 1969-1976.

Monitoring polioviruses in sewage is a permanent task within the poliomyelitis vaccination control programme in Czechoslovakia. The results of sewage examination in certain localities of the CSR in the years 1969 to 1976 are reported. During the study years, nearly 3600 samples of sewage were examined.

Presence of poliovirus and other enteroviruses in sewage. A survey in Czechoslovakia, 1969-72.

Samples of sewage, collected from 43 nurseries and 22 main town sewers in Czechoslovakia, showed the presence of polioviruses 6-7 months after vaccination with live oral poliovaccines. The presence of other enteroviruses in sewage followed their known prevalence in the community during the summer and autumn.