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== T Cell Exhaustion == '''[[T Cells]] are one of the most valuable types of white blood cells in your immune system.''' They play a key role in keeping you healthy and safe from disease. They identify, attack, and destroy infectious agents (like viruses). T cells protect the body from infections that have reached the ''inside'' of your cells. '''Covid damages and destroys T Cells.'''<sup>[https://www.nature.com/articles/s41392-022-00919-x]</sup> This happens because Covid hyperstimulates T Cells<sup>[https://thetyee.ca/Analysis/2022/11/07/COVID-Reinfections-And-Immunity/]</sup>—it activates and stimulates them too much. When T Cells stay activated continuously like this, they become exhausted and wear down. And the result is that your immune system gets badly damaged<sup>[https://www.forbes.com/sites/roberthart/2022/11/10/covid-reinfections-may-boost-chances-of-death-and-organ-failure-study-finds---and-the-risk-increases-each-time-you-catch-it/]</sup>. Even so-called ‘mild’ Covid infections can damage your immune system. Even people without serious Covid symptoms showed T cell exhaustion. ‘Exhausted’ T cells are those that lose their ability to fight off viruses (and their ability to fight off cancer). Hyperactivated T cells can also lead to organ damage<sup>[https://web.archive.org/web/20230715161641/https://thetyee.ca/Analysis/2022/11/07/COVID-Reinfections-And-Immunity/]</sup>, leading to serious health issues. In short, Covid is damaging our immune systems.
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