New research has found that Covid patients whose symptoms were mild were more likely than sicker patients to have signs of prior infection by similar, less virulent coronaviruses, a report in The Indian Express said.
People with Covid may experience milder symptoms if certain cells of their immune systems “remember” previous encounters with seasonal coronaviruses — the ones that cause about a quarter of the common colds children get, according to the findings. The study, by researchers from the Stanford University School of Medicine researchers, has been published in the journal Science Immunology.
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