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 ...
Mu variant tracker: These maps show WHO’s COVID-19 ‘variant of interest’ and where it’s spreading The mu variant, or B.1.621, was labeled a “variant of interest” by the World Health Organization. Here ...
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