First case of polio in Mali in 4 years

A 19 month old infant from Guinea travelled to Mali for treatment due to paralysis. The child was confirmed to have polio, and became Mali's first case of the disease in more than four years. The Mali case is infected with a strain of polio derived from the vaccine itself, meaning that the virus spread after being excreted by people who have been immunized with live oral polio vaccine. This strain surfaces when immunization levels fall in the general population due to failure to maintain high vaccination rates.

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Advice For Travellers

Prior to this case, reports of polio were confined to Pakistan and Afghanistan. Because polio has not yet been eradicated, travellers in any country that reports cases of polio can reduce their risk of exposure to polio virus by ensuring that their childhood vaccinations, including polio, are up-to-date prior to travelling.