US health officials urge vaccinations after polio virus found in New York City's wastewater - ABC News

The virus that causes polio is found in New York City's wastewater in another sign that the disease, which hadn't been seen in the US in a decade, is quietly spreading.

The virus that causes polio has been found in New York City's wastewater in another sign that the disease, which until last month hadn't been seen in the US in a decade, is quietly spreading among un… [+5206 chars]

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