- Finally, a study found an “increase in IFN-γ (a cytokine that plays a crucial role in the immune system, activating immune cells to fight infections) in patients who had multiple episodes of COVID-19 (which) may indicate persistent and possibly exacerbated immune activation after reinfections.”
Care to learn more? You'll find these ten studies and another 2,800 like them summarized and linked here: https://docs.google.com/spreadsheets/d/12VbMkvqUF9eSggJsdsFEjKs5x0ABxQJi5tvfzJIDd3U/edit?usp=sharing
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