https://www.paho.org/en/documents/epidemiological-update-detection-circulating-vaccine-derived-poliovirus-type-2-vdpv2
Epidemiological Update. Detection of a circulating vaccine-derived poliovirus type 2 (VDPV2) in the...
On 13 September 2022, the United State of America announced that polioviruses found in New York, both from the case of paralytic polio in an unvaccinated adult...