Vaccine-derived polio virus detected in two Canadian wastewater samples

After the announcement in August 2022 by the New York State Department of Health of the detection of vaccine-derived polio virus type 2 (VDPV2) in four wastewater samples and the first case of polio in the United States in nearly a decade, the Canada IHR National Focal Point reported detection of VDPV2 in two wastewater […]