A New Theory Asks: Could a Mask Be a Crude ‘Vaccine’?
Scientists float a provocative — and unproven — idea: that masks expose the wearer to just enough of the virus to spark a protective immune response.
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Fragments of Bird Flu Virus Discovered in Milk
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Could Eating Less Help You Live Longer?
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Russia Amps Up Online Campaign Against Ukraine Before U.S. Elections
Moscow has found better ways to conceal influence operations that spread arguments for isolationism, officials and experts say.
Could Eating Less Help You Live Longer?
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