Unfortunately, pockets of polio transmission provide reservoirs for resurgence at any time, with even one traveller able to bring polio back to a polio-free country - Melinda Suchard


image by: End Polio Now

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A mutated virus, anti-vaxxers and a vulnerable population: how polio returned to the US

Polio’s return to the US resulted from the confluence of a complicated set of scientific and societal factors that allowed a mutated version of the virus to start circulating in a susceptible community. This is the story of a life-saving vaccine with an unfortunate loophole that produced that version of the virus, and a calculated anti-vaccine campaign that created a vulnerable population.

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Last Updated : Sunday, September 25, 2022