Tag: polio vaccine

When poliovirus was found in wastewater samples from three counties earlier in September, New York declared a State disaster emergency. This year, the environmental surveillance of sewage samples from Kolkata in India revealed the presence of vaccine-derived poliovirus (VDPV), however, the Health Ministry noted that this might happen in any nation where oral polio vaccinations (OPVs) are administered. The Global Polio Eradication Drive has now identified 30 nations where either imported wild or vaccine-derived poliovirus or circulating vaccine-derived poliovirus (cVDPV) has been detected. The United States is now included on this list. Israel, Ukraine, Nigeria, and Egypt are among the other countries on the list. Since polio is still prevalent in Afghanistan and Pakistan, those two nati...