A few outbreaks of such circulating vaccine-derived poliovirus (cVDPV) have been reported in Syria and the Democratic Republic of the Congo this year. Historically, the Western Hemisphere led the ...

The largest recorded outbreak of a circulating vaccine-derived poliovirus (cVDPV), detected in Nigeria, provides a unique opportunity to analyze the pathogenicity of the virus, the clinical ...

1 The detection of this outbreak was aided by the development and implementation of improved molecular diagnostics, which were also used to demonstrate that cVDPV outbreaks had occurred in the ...

cVDPV is present in about 30 other nations, including the Ukraine, Egypt, and Algeria. [Related: “What to know about polio boosters, oral vaccines, and your medical history records.”] ...

In 2012, more countries reported cases of this "circulating vaccine-derived poliovirus" (cVDPV) than wild poliovirus (WPV). The original plan was for every country to stop using live vaccine ...

However, there is another form of poliovirus that can spread within communities: circulating vaccine-derived polioviruses, or cVDPV. While they are rare, they have been increasing in recent years ...

Type 2 cVDPV (cVDPV2) now accounts for most of the cVDPV cases globally, and is a major challenge to achieving global eradication. In Nigeria, 415 cases of cVDPV2 were reported in 2021 2 which ...

The World Health Organization (WHO) is contemplating discontinuing the use of an oral polio vaccine that’s been linked to ongoing outbreaks of the virus in the developing world. WHO is weighing the ...

Dr Bakyaita said that the increasing number of cVDPV outbreaks across Africa was a reminder that countries could not afford to let their guard down, and must continue reaching every child with the ...

He noted that despite strong political commitment, Nigeria has continued to face operational challenges hindering the complete eradication of poliovirus Nigeria has spent $500 million on polio ...

He noted that the continued vaccination drive is aimed at preventing outbreaks of Circulating Vaccine-Derived Poliovirus (cVDPV), which remains a threat due to population movement and low immunity ...