Researchers from Washington University looked at health data from nearly half a million US veterans and found a person was more likely to experience issues with their lungs, heart, brain, blood, muscles and digestive system if they had experienced Covid reinfection.
Article source: https://www.huffingtonpost.co.uk/entry/covid-reinfection-doubles-risk-of-death_uk_636e0b5be4b002e882104cfd