Epidemiological update. Vaccine-derived poliovirus type 2 circulating in the United States: considerations for the Region of the Americas – PAHO / WHO
On September 13, 2022, the United States of America announced that polioviruses found in New York, both in the case of paralytic poliomyelitis in an unvaccinated adult in Rockland County, and in several sewage samples from communities near the residence. of the patient, meet the criteria for circulating vaccine-derived poliovirus (cVDPV). Given this situation, the … Read more