Brain fog caused by lung covid may be due to overactive immune cells

January 19, 2022 Many covid patients retain problems with their concentration and memory for a long time. After research with mice, a cause seems to have been found.

"Great research," thinks virologist Debby van Riel of Erasmus MC in Rotterdam. "It confirms previous findings that a coronavirus infection can affect the brain." However, she does hold back. "It's a mice model, the groups of people studied are small." She would like to see more research, in better animal models and especially in humans. "The question is whether this activation of microglia and the other findings can contribute to the lung covid symptoms that people report. The effects found are not very large. The translation to what it means for patients is difficult."

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