~nytimes-most-popular | Bookmarks (2)
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Four Years on, the Mysteries of Covid Are Unraveling
Are superdodgers real? Is Covid seasonal? And what’s behind its strangest symptoms? Here’s what we’ve learned.
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After 217 Covid Vaccines, Man Had No Side Effects and Robust Immunity
Media accounts of a German man’s extreme vaccination history spurred researchers to analyze his immune responses.