Fear and fraud often travel together. As coronavirus anxiety began to spread across the land, so did bogus nostrums promising protection from this modern-day plague. As early as March 6, U.S. regulators began to issue warnings to companies promoting false claims, such as this one touting the benefits of drinking a daily dose of silver particles: “It's actually widely acknowledged in both science and the medical industry that ionic silver kills coronaviruses.” Um, no.