September 5, 2015

Circulating vaccine-derived poliovirus – Ukraine

In Ukraine, 2 cases of circulating vaccine-derived poliovirus type 1 (cVDPV1) have been confirmed, with dates of onset of paralysis on 30 June and 7 July 2015. Both are from the Zakarpatskaya oblast, in south-western Ukraine, bordering Romania, Hungary, Slovakia and Poland. One child was 4 years old and the other 10 months old at the time of onset of paralysis.

Ukraine had been at particular risk of emergence of a cVDPV, due to inadequate vaccination coverage. In 2014, only 50% of children were fully immunized against polio and other vaccine-preventable diseases. Read more.

WHO

Related,
Outbreak of rare, mutated poliovirus that originated from vaccine in Ukraine leaves two children paralyzed - Washington Post

Children paralysed in Ukraine polio outbreak - BBC
-Polio in two Ukrainian children first occurrence of disease in Europe since 2010 - Guardian

Polio: Vaccinated British man shed virus for 30 years - BBC

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