A case of poliovirus — the first detected in the U.S. in nearly a decade — was found in a suburban New York community in July when health officials announced that an unvaccinated man had contracted the disease. He had not traveled overseas during the period of exposure, which suggests he contracted it in this country. Since then, the virus has been found in wastewater samples in the state’s Rockland and Orange counties as well as in New York City.
After a decades-long effort to eliminate polio around the world, the virus has been found through wastewater surveillance in Jerusalem and London as well.
Now authorities in the U.S. are warning
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