poliovirus

Vaccine-derived polio virus detected in 2 Canadian wastewater samples

Vaccine-derived polio virus detected in 2 Canadian wastewater samples

After initiating its own wastewater testing for polio last year, Canada has detected two samples of vaccine-derived polio virus type 2 (VDPV2). According to the World Health Organization (WHO) and Pan American Health Organization (PAHO)'s epidemiological update released on Dec. 30, 2022, the virus strain was found in two wastewater samples collected between Aug. 20 and Aug. 30 2022.

Canada to start testing some wastewater for polio 'as soon as possible'

Canada to start testing some wastewater for polio 'as soon as possible'

After new reports of polio cases abroad, and virus samples in the wastewater of several other developed countries, Canada intends to start testing wastewater from a number of cities "as soon as possible," CBC News has learned. The Public Health Agency of Canada (PHAC) already works to monitor polio activity around the world, a spokesperson said in an email response to CBC News questions.