Key result
Recent cVDPV outbreaks link to 672 acute flaccid paralysis cases, predominantly in Africa.
Why the study?
Circulating vaccine-derived polioviruses can emerge and cause outbreaks in communities with undervaccinated children, necessitating an update on global outbreaks during January 2023-June 2024.
Population
74 cVDPV outbreaks in 39 countries or areas worldwide
Design
Global surveillance report
Authors
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Persistent cVDPV outbreaks signal vaccination gaps; leaves open optimal global eradication strategies.
Observational (n=672)
Despite efforts to eradicate polio, 74 cVDPV outbreaks were detected in 39 countries between January 2023 and June 2024, highlighting the need for prompt, high-quality outbreak responses and increased population immunity.
Namageyo-Funa et al. (2024) conducted an observational in Circulating vaccine-derived poliovirus (cVDPV) outbreaks (n=672). Circulating vaccine-derived poliovirus (cVDPV) was evaluated on Number of cVDPV outbreaks and confirmed acute flaccid paralysis (AFP) cases. During January 2023–June 2024, 74 circulating vaccine-derived poliovirus outbreaks were detected in 39 countries, resulting in 672 confirmed acute flaccid paralysis cases, predominantly in Africa.
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