Wuhan, the epicenter of the epidemic, reported 126 new confirmed cases on Thursday but there were no new infections in the province apart from those, the National Health Commission said on Friday.

The Centers for Disease Control and Prevention has confirmed the first U.S. case of coronavirus linked to an outbreak in Wuhan, China.

An outbreak of a mysterious virus has sickened hundreds of people in China, causing some deaths. Here's what we know about it.