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Science’s COVID-19 reporting is supported by the Heising-Simons Foundation.
Ready or not, the patients were coming. This time last year, physicians around the world prepared, most for the first time in their careers, to treat a new disease over and over and over again.
“There was a terrible sense of foreboding, like in a movie when the minor key music starts playing,” says Robert Arntfield, a critical care physician at Western University in London, Canada.
In Wuhan, China, the doctors who first encountered the pandemic coronavirus raced to share surprising symptoms and possible treatments with far-flung colleagues.
In Tokyo, ill cruise ship patrons from the
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PHILADELPHIA Past exposure to seasonal coronaviruses (CoVs), which cause the common cold, does not result in the production of antibodies that protect against the novel coronavirus SARS-CoV-2, according to a study led by Scott Hensley, PhD, an associate professor of Microbiology at the Perelman School of Medicine at the University of Pennsylvania.
Prior studies have suggested that recent exposure to seasonal CoVs protects against SARS-CoV-2, the virus that causes COVID-19. However, research from Hensley s team, published in
Cell, suggests that if there is such protection, it does not come from antibodies. We found that many people possessed antibodies that could bind to SARS-CoV-2 before the pandemic, but these antibodies could not prevent infections, Hensley said. Although antibodies from prior coronavirus infections cannot prevent SARS-CoV-2 infections, it is possible that pre-existing memory B cells and T cells could potentially provide some level of protection