By now, most of us are aware that we can help mitigate the spread of COVID-19 by washing our hands, staying home as much as we can, and limiting social contact. But to flatten the curve—and ultimately halt this pandemic—we must also stop the spread of misinformation and disinformation, which can be as contagious and more dangerous than the disease itself. As the coronavirus has made its way around the world, unfortunately, so too have baseless rumors and dangerous claims.