An RCT of 1136 newly COVID test positive pts compared long term outcomes if immediately given METFORMIN or Placebo. Cumulative incidence of long COVID at day 300 was 6.3% w/ metformin vs 10.4% w/ placebo (HR 0.59; HR 037 if given w/in 3d) https://t.co/aCTX7xFewW https://t.co/xbBeED9K7U