Finland Looks for a Mystery Person Spreading Poliovirus
Scientists believe the virus made its way into Tampere's sewer system via human waste More »
Helen Branswell is the medical reporter for The Canadian Press and a Nieman Global Health Fellow at Harvard.
Scientists believe the virus made its way into Tampere's sewer system via human waste More »
In the land of bricks and bangles, where religious divides can fuel resistance to vaccines, fighting polio takes persistence and persuasion More »
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