Co-infections in people with COVID-19: a systematic review and meta-analysis

•SARS-CoV-2, the cause of COVID19 disease, has spread globally since late 2019•Bacterial coinfections associated with mortality in previous influenza pandemics•Proportion of COVID19 patients with bacterial coinfection less than in flu pandemics•Higher proportion of critically-ill with bacterial coinfections than in mixed setting•Bacterial co-pathogen profiles different to those in influenza co-infections•Fungal coinfection diagnosis difficult so high level suspicion in critically-ill