VIRUSES IN DOMESTIC SEWAGE
Abstract: A study of viruses in domestic sewage of Shanghai County is reported. Adsorbtion-elution procedure is applied to concentrate the sewage sample, plaque assay is applied to count the virus number, microneutralization method is applied to identify the isolated viruses, TS test is applied to test the virus virulence. Viruses in the sewage range from 320 to 176000 pfuper liter, the maximum amout appears in fall They are mainly enteroviruses, most of them are vaccine strain.