Climate Change May Cut Plague Cases in US - Study

OSLO - Rare outbreaks of plague in the United States seem to match climate shifts over the Pacific Ocean in a hint that global warming may make the region too hot and dry for the disease, scientists said on Wednesday. Feared as the "Black Death" of the 14th century that killed an estimated 50 million people, plague is still a threat mainly in Africa. The western United States has had 430 cases since 1950, or about seven per year.

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