Impact of co-infection with SARS-CoV-2 and other respiratory viruses on illness: Pooled analyses of 11 COVID-19 cohorts

In community settings, SARS-CoV-2 co-infection with another virus, particularly HRV, attenuates ARI compared to SARS-CoV-2 single infection. The low number of detected co-infections with other viruses, such as influenza or RSV, limits generalizability to other combinations of co-infecting viruses.