Oh yes, immunity, the golden word right now. Well, now we have so much more to hope about! The number of people who have coronavirus immunity could be higher than antibody tests suggest, a new study indicates. Research from Karolinska Institutet and Karolinska University Hospital shows that many people with mild or asymptomatic COVID-19 demonstrate so-called T-cell immunity to the disease. This is even if they have not tested positive for antibodies to the virus.
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