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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 Pan American Health Organization / World Health Organization (APHO / WHO) reiterates to member states the need to have an updated response plan for polio outbreaks or events, join efforts to strengthen and maintain surveillance acute flaccid paralysis epidemiology for rapid case detection and achieving polio vaccination coverage> 95%.

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