As a new coronavirus causes widespread illness around the world, many people are wondering how to protect themselves and their loved ones. Here's what we know about COVID-19 thus far -- with a reminder that this is an emerging situation, and new information about the 2019 coronavirus and its impact is coming out every day.
What is COVID-19?
Coronavirus disease 2019 (COVID-19) is a respiratory disease caused by a new strain of coronavirus. Coronaviruses are a large family of viruses, only a few of which can infect humans.