July 15, 2020


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Like HIV, corona hits immune cells: Studies

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NEW YORK: Researchers have discovered that in many Covid patients, the immune system is threatened a depletion of certain essential cells, suggesting eerie parallels with HIV.
In May, John Wherry, an immunologist at the University of Pennsylvania, and his colleagues posted online a paper showing a range of immune system defects in severely ill patients, including a loss of virusfighting T cells in parts of the body. Another study, conducted Adrian Hayday, an immunologist at King’s College London, found an increase in levels of a molecule called IP10, which sends T cells to areas of the body where they are needed in Covid patients. Ordinarily, IP10 levels are only briefly elevated. But in Covid-19 patients IP10 levels go up and stay up. The result: a confused response from the immune system.

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