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Following up on my previously asked question, which asks how COVID infects T-cells in immune system.

Here's a study that shows that recovered covid patients have "exausted t-cells". To quote:

T cell counts are reduced significantly in COVID-19 patients, and the surviving T cells appear functionally exhausted. Non-ICU patients, with total T cells, CD8+T cells CD4+T cells counts lower than 800/μL, 300/μL, and 400/μL, respectively, may still require aggressive intervention even in the immediate absence of more severe symptoms due to a high risk for further deterioration in condition.

Is this normal for other coronaviruses (like the common cold)? Also is it possible that this immune damage can be a long-term effect, similar to HIV?

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  • $\begingroup$ It's not a flu-like virus! Symptoms may be similar, since they are not specific, though flu doesn't cause interstitial inflammations and pulmonary embolism! $\endgroup$ – Algae May 4 at 6:39
  • $\begingroup$ I edited this so that it's more clear. In a previous question people said that it's normal for coronaviruses to infect T-cells. By "flu-like" I was referring to other coronaviruses like the common cold that spread through airborn droplets like the flu. $\endgroup$ – Steven Sagona May 4 at 19:46

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