NY county with polio has pitiful 60% vaccination rate; 1,000s may be infected

Enlarge / Transmission electron micrograph of poliovirus type 1.Getty | BSIP

The vaccine-derived poliovirus that left an unvaccinated US resident with the country’s first case of paralytic polio in nearly a decade has been genetically linked to spread in two other countries: the United Kingdom and Israel. Now that it has been detected in the US, health officials fear it has spread to hundreds or even thousands of people in a poorly vaccinated New York county.

On Monday, officials in New York urgently encouraged unvaccinated residents to get vaccinated “as soon as possible” to prevent further spread of the virus.

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