More than two years into the Covid-19 pandemic and after half a billion cases worldwide, we still don’t know what causes some people to develop long Covid. UNSPLASH A small United States study showed the cause of Long Covid remains “unclear”, even with “comprehensive” patient evaluations. There does not appear to be a relationship between initial severity of infection and the likelihood of developing long Covid. There were four “pillars” or key hypotheses of what could trigger long Covid, Brooks said. A damaging autoimmune response could also lead to this persistent inflammation and therefore long Covid symptoms, Brooks said.

Source: Stuff May 24, 2022 11:02 UTC