Scientists urge concern, not alarm over new virus strains, and other top stories in health from December 22, 2020.

Vedia 2020-12-22

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Your source for breaking news. You can count on us for the latest headlines in US and international news, business, sports, weather and entertainment. Scientists urge concern, not alarm over new virus strains, and other top stories in health from December 22, 2020.

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