• All
• COVID 19 hospitalized
• COVID 19 all comers
• COVID-19 mild to moderate
• COVID-19 severe or critically
• COVID 19 outpatients
• COVID-19 (hospitalized or not)
• COVID-19 prophylaxis (children)
• COVID-19 prophylaxis (excluding children)
• infections other than COVID-19
• Long COVID-19
• preventing respiratory virus transmission
• root
• secondary prevention

• vs. potential COVID-19 treatments
• vs. control
• vs. standard of care

  patient subgroup...     Top evidence (RCT only, high risk of bias excluded) Best available evidence (possibly low or very low) All RCTs All studies (RCT+OBS)

select an endpoint to display result.... display studies ---- color = results color = ROB demonstrated suggested inconclusive safety concern ongoing study not assessable low moderate serious ongoing study display ongoing demontrated benefit only observational study