Environmental, Polio — Australia
We received a rapid reply to our query on the results of genetic testing of the poliovirus type 2 isolated in environmental samples taken from the Western Sewage Treatment Plant in Melbourne, Victoria, Australia. The poliovirus isolate was genetically characterized as most probably an immunodeficiency-related vaccine derived poliovirus (an iVDPV). The genetic characterization was suggestive of chronic carriage for several years with no relationship to prior or present cVDPV
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