New findings suggest that the body may mistakenly attack itself months after contracting even mild coronavirus infection, adding to the research surrounding long-haul COVID-19. The autoimmune phenomena was identified in a study involving health care workers who had contracted the coronavirus early on in the pandemic, before vaccines became widely available. The study, published in the the Journal of Translational Medicine, found that among 177 health care workers who had recovered from COVID-19, all had persistent autoantibodies months after infection, including some which can cause injury to organs and tissues....