Colloidal Silver, Treatment of COVID-19

Noble metals such as gold and silver have been appreciated for millennia not only for their beauty but also for their ability to fight diseases. Silver nanoparticles (AgNPs) have been employed as chemical drugs thanks to their unique physiochemical and chemical properties as well as biological features, such as anti-inflammatory, anti-angiogenesis, antiplatelet, antifungal, anti-cancer and antibacterial activities Infectious diseases account for more than 20% of global mortality and viruses are responsible for about one-third of these deaths. Highly infectious viral diseases such as severe acute respiratory (SARS), Middle East respiratory syndrome (MERS) and coronavirus disease (COVID-19) are emerging more frequently and their worldwide spread poses a serious threat to human health and the global economy. The current COVID-19 pandemic, caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) .