Immunity to coronavirus can last for years

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Immunity to coronavirus can last for years

Immunity to coronavirus can last for years

Immunity to coronavirus can be maintained for at least a year, and possibly for life, according to two studies by American scientists published in the scientific journal Nature and on the online resource BioRxiv .

The first study was conducted by scientists from the University of Washington School of Medicine in St. Louis, Missouri, and the second by specialists from Rockefeller University in New York. Scientists have studied the health status of people who contracted the coronavirus a year ago.

The results of the first study say that most people who have had coronavirus and who have been vaccinated will no longer need to be vaccinated, since the memory of the virus is retained in the cells of the bone marrow of such people, and it is able to produce antibodies itself. Therefore, their immunity to coronavirus, including to new strains, can persist for a very long time, and possibly even for life.

According to another study, the so-called memory B cells continue to circulate and strengthen in the body for 12 months after the initial infection.

Scientists also note that when unvaccinated patients infected with coronavirus recover, their antibody levels drop rapidly, so they will need additional vaccination. Scientists say the same about people who have not been sick with coronavirus and who have been vaccinated. However, even in these cases, immunity to the disease is likely long-term, says University of Pennsylvania immunologist Scott Hensley.

Earlier it became known that 10% of Russians underwent a full course of vaccination.

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