There is no medical cure for coronavirus and all viral infections, which is why people are turning to nature for solutions. One of the known natural antivirus agents is colloidal silver, a traditional remedy whose antiseptic properties were used in ancient Egypt, the Middle East and India by royal households to keep water and other fluids fresh and to treat various infections. Until its ban in the 1930s, it was recognized and used as a broad-spectrum antimicrobial by clinicians to treat bacterial, parasitical, fungal and viral infections. But is Colloidal silver a cure for coronavirus as televangelists in the US and several news outlets claim? This article focuses on its antiviral properties in connection with coronavirus.