West indian countries

US added to WHO list of countries where vaccine-derived poliovirus is circulating

Los Angeles, September 14 (SocialNews.XYZ) The United States now joins a list of nearly 30 other countries with circulating vaccine-derived poliovirus (cVDPV) identified by the WHO, the United States Centers for Disease Control and Prevention (CDC) said.

The polioviruses found in New York, from both the paralytic polio case in an unvaccinated adult in Rockland County, New York, and several sewage samples from communities near the patient’s residence, meet the criteria for the WHO for cVDPV, according to the CDC.


This means poliovirus continues to be transmitted in and around Rockland County, the US health agency said.

Genetic sequences of the virus from the Rockland County patient and sewage samples taken in New York have been linked to sewage samples in Jerusalem, Israel and London, indicating community transmission, according to the health agency.

cVDPV occurs when local immunity to poliovirus is low enough to allow prolonged transmission of the original weakened virus in the oral polio vaccine, according to the CDC.

As the virus circulates and more genetic changes occur, the virus may regain its ability to infect the central nervous system and cause paralysis, Xinhua News Agency reported.

“Vaccination against polio is the safest and best way to fight this debilitating disease and it is imperative that members of these communities who are unvaccinated get up to date with polio vaccination immediately,” said said Jose R. Romero, director of the CDC’s National Immunization Center. and respiratory diseases.

Source: IANS

US added to WHO list of countries where vaccine-derived poliovirus is circulating

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