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No one studying polio knew more than Albert Sabin, the Polish-American scientist whose vaccine against the crippling disease has been used worldwide since 1959.
The Rockland County case isn't expected to cause a major outbreak, but it shows how even this rare disease can pop up in undervaccinated communities.
A "public health emergency of international concern" is the organization’s loudest alarm bell. Here’s what it can accomplish.
There are 14,000 monkeypox cases worldwide and five deaths, the WHO confirmed on Wednesday.
Rare detection compared to how virus has been behaving outside Africa, say experts