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 ...
Studying the coronavirus variants that have faded away could help us prepare for what comes next, scientists say. By Emily Anthes In early 2021, scientists in Colombia discovered a worrisome new ...
In early 2021, scientists in Colombia discovered a worrisome new coronavirus variant. This variant, eventually known as mu, had several troubling mutations that experts believed could help it evade ...
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