In its original form, the virus survives in just two countries. But a type linked to an oral vaccine used in other nations has already turned up in the West.
Source link : https://www.nytimes.com/2025/01/13/health/polio-vaccine-outbreaks.html
Author : Apoorva Mandavilli
Publish date : 2025-01-13 14:12:00
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How Lagging Vaccination Could Lead to a Polio Resurgence
