Updated at 2:10 p.m. ET
The first human-to-human transmission of the deadly Wuhan coronavirus has occurred in the U.S., the Centers for Disease Control and Prevention announced Thursday.
The respiratory virus was spread from a woman who had recently traveled in China to her husband when she returned to Chicago, CDC Director Dr. Robert Redfield said at a press briefing.
It's the sixth confirmed case of the new coronavirus, or 2019-nCoV, in the U.S.