When and how to wear medical masks to protect against the new coronavirus?

If you do not have any respiratory symptoms, such as fever, cough, or runny nose, you do not need to wear a medical mask. When used alone, masks can give you a false feeling of protection and can even be a source of infection when not used correctly.

Learn more about the novel coronavirus here: https://www.who.int/emergencies/diseases/novel-coronavirus-2019