Our Essential Coronavirus Coverage

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The CDC’s Flawed Case for Wearing Masks in School

The agency’s director has said, repeatedly, that schools without mask mandates have triple the risk of COVID outbreaks. That claim is based on very shaky science.

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America Is Not Ready for Omicron

The new variant poses a far graver threat at the collective level than the individual one—the kind of test that the U.S. has repeatedly failed.