French study bolsters hopes antibodies protect against COVID-19, even after mild infections

Peter Weber, The Week US's avatar
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COVID-19 testing at the Pasteur Institute
(Image credit: Denis Charlet/AFP/Getty Images)

Researchers at France's Pasteur Institute and university hospitals in Strasbourg said Tuesday that in a study of 160 doctors and nurses who experienced mild cases of COVID-19, all but one developed antibodies that could prevent reinfection within two weeks. The preliminary findings, not yet peer-reviewed, bolstered hopes that patients who survive the new coronavirus, even if they never got seriously ill, would be protected. Almost all of the volunteers in the study had produced antibodies capable of neutralizing the virus within 41 days. Pasteur's Arnaud Fontanet and his colleagues suggested that the findings support the use of antibody tests.

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Peter Weber, The Week US
Peter Weber, The Week US

Peter has worked as a news and culture writer and editor at The Week since the site's launch in 2008. He covers politics, world affairs, religion and cultural currents. His journalism career began as a copy editor at a financial newswire and has included editorial positions at The New York Times Magazine, Facts on File, and Oregon State University.