The CDC just issued a grave warning in the midst of the worst covid surge we’ve seen to date: The mutant b.1.1.7 variant of the coronavirus could become the dominant strain in the U.S. by March.
Daily Covid-19 Minute: False Negative PCR Test
A new warning from our nation’s top scientists: You could get a false negative P-C-R test if you’re infected with the new,..
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