Our Essential Coronavirus Coverage

Collage of photos of schools, and CDC director Rochelle Walensky
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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.

Two photos, one of a masked crowd, the other of a nurse wiping away tears
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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.