Key result
An outbreak of wild poliovirus serotype 1 in Tajikistan resulted in 32 laboratory-confirmed cases among 171 children with acute flaccid paralysis, highlighting the risk of importation.
Observational (n=171)
Yes
The outbreak of WPV1 in Tajikistan highlights the ongoing risk of wild poliovirus importation into polio-free regions.
May warrant heightened surveillance in polio-free regions; leaves open optimal control strategies for future importations.
On 23 April 2010, the World Health Organisation announced the confirmation of wild poliovirus serotype 1 (WPV1) in seven samples from children with Acute Flaccid Paralysis in Tajikistan, in the context of a multi-district cluster starting in December 2009. As of 28 April, 32 of 171 reported cases were laboratory-confirmed and most closely related to virus from Uttar Pradesh, India. This outbreak demonstrates the high risk that still exists for importation of wild poliovirus into polio-free regions.
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Collective WHO Regional Office for Europe (2010) conducted an observational in Poliomyelitis / Acute Flaccid Paralysis (n=171). Wild poliovirus serotype 1 (WPV1) infection was evaluated on Laboratory confirmation of wild poliovirus serotype 1. An outbreak of wild poliovirus serotype 1 in Tajikistan resulted in 32 laboratory-confirmed cases among 171 children with acute flaccid paralysis, highlighting the risk of importation.
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