Covid-19: Study Indicates Cured Patients May Retain Immunity for Six Months

As some vaccines near the finish line in the race for an immunizer, it is still unclear how long the protection offered would last.

RIO DE JANEIRO, BRAZIL - As some vaccines near the finish line in the race for an immunizer, it is still unclear how long the protection offered could last.

A crucial type of defensive blood cell persists for at least six months in people who have been cured of Covid-19, even for those who had no symptoms. This is indicated by a new study that may lessen the concern over immunity and its implications for a vaccine.

The study, conducted with 100 subjects, shows that all had T-cell responses against a range of coronavirus proteins, including the spike protein . . .

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