Are repeat COVID infections dangerous? What the science says Nature - Researchers disagree over how bad it is to be reinfected, and whether COVID-19 can cause lasting changes to the immune system. Willyard, Cassandra nature

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Just how much harm repeat infections will cause is a matter of debate. “There are some almost pathologically polarized opinions out there,” says Danny Altmann, an immunologist at Imperial College London. One side argues that SARS-CoV-2 is a run-of-the-mill respiratory virus, no worse than the common cold, especially for those who have been vaccinated. Others have said that repeatedly getting COVID-19 is a gamble. Each bout comes with a risk of damage — or at least changes — to the immune system, and long-term health repercussions. Both groups are armed with evidence. What do the data say about the risks of reinfection and the potential for COVID-19 to cause lasting consequences?

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