Of the 9433 patients participating in the Randomized Evaluation of COVID-19 Therapy (RECOVERY) trial, 7763 were randomized to receive azithromycin plus standard care (n=2582), or standard care alone (n=5181; 837 eventually crossed over to receive azithromycin or tocilizumab but were still included in the analysis). The primary outcome of interest was all-cause mortality at 28 days. Secondary outco...