Article Text
Miscellanea
Archivist
Poliomyelitis in Pakistan and Afghanistan
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In 2009 only four countries (India, Pakistan, Afghanistan, and Nigeria) still had endemic poliomyelitis. The last case in India was in January 2011. Wild type 2 poliomyelitis was eradicated from all countries by 1999. Monovalent oral vaccines against types 1 and 3 poliomyelitis were licensed in 2005 and a bivalent oral (types 1 and 3) vaccine was licensed and used in Pakistan and Afghanistan in late 2009 and …
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Competing interests None.
Provenance and peer review Commissioned; internally peer reviewed.