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Eradication of wild poliovirus type 3 may be within reach, say CDC and WHO

BMJ 2014; 349 doi: (Published 14 November 2014) Cite this as: BMJ 2014;349:g6817
  1. Michael McCarthy
  1. 1Seattle

No cases of wild poliovirus type 3 (WPV3) have been detected for two years, indicating that transmission has been interrupted and that the virus may have been eradicated, says a new report from the US Centers for Disease Control and Prevention (CDC) and the World Health Organization.

The report1 said that the last known case of WPV3 was isolated from an 11 month old infant in Yobe, Nigeria, who had onset of paralysis on 10 November 2012, and the latest environmental isolate came from a sample collected the next day in Lagos, Nigeria.

“This virus has disappeared, and we think it may …

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