Tuesday, September 8, 2020

New Your Times - Health - A New Theory Asks: Could a Mask Be a Crude ‘Vaccine’?


By Katherine J. Wu
NYT Health
Scientists float a provocative — and unproven — idea: that masks expose the wearer to just enough of the virus to spark a protective immune response.
Published date: September 8, 2020 at 03:00AM

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