Still getting a negative RAT after a COVID exposure and days of symptoms? It might be time to consider a PCR.
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A sore throat is more common with Omicron than Delta, but that doesn’t mean a throat swab will give you a more accurate – or earlier – result.
Cities often embark upon drastic and expensive eradication campaigns designed to rapidly rid the city of pests like rats. But are the surviving rats stronger or weaker than before?
