[Treatment plants: viruses in aerosols]

A survey was carried out on the animal virus occurrence in wastewater and aerosols, in 2 treatment plants. Forty-five samples of sewage (10 litres) and 118 aerosol (2.3 m3) were examined. Forty out of forty-five (88.9%) of sewage and four out of one hundred and eighteen of aerosol (3.4%) samples were positive for viruses. Thirty-three reovirus and nine enterovirus strains were recovered from the sewage, two reovirus and two enterovirus strains from aerosol. Among enterovirus strains 6 resulted coxsackievirus B5, 3 coxsackievirus B4, 1 poliovirus, 1 strains remained unidentified.