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According to a new study from the University of California’s Jolla Institute for Immunology, immunity to the coronavirus, after contacting the disease, may be longer than expected.
Researchers at the University of San Diego have in fact studied blood samples from 185 former patients aged 19 to 81. They found that their bodies still had good immunity nearly six months after contracting the disease.
“Patients who were infected more than six months ago have a strong immune response”, explained Prof. Arnaud Fontanet, epidemiologist of the Pasteur Institute in France Inter. “This response is not just about the antibodies, which we knew, but also the memory B cells that secrete these antibodies and onto other cells, the T cells, that kill the infected cells that were present. in significant numbers in these patients. “
Results that are good news while a vaccine is in sight. “This is all rather reassuring”, added the professor on France Inter. Deleted “At a time when we are thinking about vaccines for which we wonder what the immune response they might elicit is, if the natural infection allows it to be protected for so long, we can hope that the vaccines also have an efficacy of the same. order. “
However, some cases of reinfection have been reported. But it is said that for the moment they are in the minority.
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