The new Omicron variant of coronavirus, with its many mutations and seemingly quick spread in South Africa, is worrying scientists and government officials. But doctors want to remind Americans that ...
The Centers for Disease Control and Prevention listed the COVID-19 delta variant as one of its "variants of concern" (VOCs) on June 15. According to the CDC, VOCs can be more contagious, more ...
As the delta variant of coronavirus continues to spread across the world, a relative of the deadly strain is sparking concerns among health officials in South Korea, one of several countries to record ...
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