It can be scary to hear about a disease outbreak, but learning the facts can help ease your mind. A new coronavirus—a type of virus named for its crown-like shape—emerged in Wuhan, China in 2019, and then spread to people around the world. While the most severe cases often dominate the headlines, they’re not the whole story. Most coronavirus cases have been mild, and healthy bodies can fight off the infection on their own. Find out more about how viruses work, and the best ways to prevent them from infecting more people. Viruses can’t spread without our help, so click play to learn how not to help them!