Scientists Have Found Out How Much Immunity Is Preserved In Those Who Have Recovered From COVID-19

Scientists Have Found Out How Much Immunity Is Preserved In Those Who Have Recovered From COVID-19
Scientists Have Found Out How Much Immunity Is Preserved In Those Who Have Recovered From COVID-19

Video: Scientists Have Found Out How Much Immunity Is Preserved In Those Who Have Recovered From COVID-19

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MOSCOW, November 18 - RIA Novosti. Immunity can persist in those who have had COVID-19 for eight months or longer. The corresponding study was published on the bioRxiv portal.

Specialists from the La Jolla Institute of Immunology in the United States took blood samples several times from 185 patients aged 19 to 81 who had been ill with COVID-19 in a mild form at the very beginning of the pandemic. They analyzed four components of the immune system: antibodies, B cells, which produce more antibodies as needed, and two types of T cells.

It turned out that antibodies persist, showing a slight decrease, even six to eight months after infection. At the same time, T cells showed only a slight slow decay in the body, while the number of B cells unexpectedly increased.

As the scientists point out, this is the first study that allowed such a complete and comprehensive assessment of the immune response. They emphasize that even when antibodies are no longer found in patients' blood, B cells will retain immune memory, allowing the body to "recognize" the coronavirus for several years.

Earlier, immunologists from the United States and Canada were able to establish that antibodies to coronavirus persist for at least three months after a person had been ill with COVID-19 with pronounced symptoms.

The latest data on the situation with COVID-19 in Russia and the world are presented on the stopkoronavirus.ru portal.

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