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Can antibodies from people with Covid-19 fill the gap to a vaccine?

By Graham Lawton

A nurse checks the plasma donated by a Covid-19 survivor in Bogota, Colombia

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For people who survived Covid-19, there is an opportunity to add another chapter to their recovery story: You could help save other people’s lives by donating blood.

The plasma of people who have recovered from the disease contains valuable antibodies that helped them fight off the virus and that could help others do the same or even make them temporarily immune. Such antibodies are increasingly the focus of research efforts into the treatment and prevention of Covid-19. According to Anthony Fauci, a senior US health official, antibody therapies are …