Does Copper Prevent Nosocomial Transmission of COVID-19?

Severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) has killed more than 1 million people worldwide since early 2020.1 Age is one of the main risk factors for death from coronavirus disease-2019 (COVID-19).2 In France, a third of COVID-19 deaths occurred in long-term accommodation establishments for dependent older people (nursing homes).3