They can result in false negatives, but they remain a valuable tool in stopping the spread of Covid-19. Here’s how to use them most effectively.
Tag: Coronavirus Omicron Variant
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F.D.A. Outlines a Plan for Annual Covid Boosters
In advance of a scientific meeting on Thursday, officials proposed offering new shots to Americans each fall, a strategy long employed against the flu.
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Health Experts Warily Eye XBB.1.5, the Latest Omicron Subvariant
A young version of the coronavirus makes up one-quarter of Covid cases across the United States and over 70 percent of new cases in the Northeast.
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How Bad Is China’s Covid Outbreak? It’s a Scientific Guessing Game.
In the absence of credible information from the Chinese government, researchers around the world are looking for any clues to determine the size and severity of the surge.
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China’s People Are Tired of Being Told to Grin and Bear It
Protests against China’s Covid restrictions were also a rejection of a culture that idolizes pain and suffering.