Articles
WHO prequalifies an additional novel oral polio vaccine, strengthening global outbreak response
The nOPV2 was developed to address outbreaks of circulating vaccine-derived poliovirus type 2 (cVDPV2), which can emerge in under-immunised populations.
The World Health Organization (WHO) has prequalified an additional novel oral polio vaccine type 2 (nOPV2), further strengthening the global supply of a vaccine at the heart of efforts to stop poliovirus type 2 outbreaks more sustainably and accelerate progress towards polio eradication.
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