U.S. To Americans: ‘Do Not Travel To China,’ As Coronavirus Infections Surpass SARS

The U.S. safety advisory for China now stands at "Level 4: Do Not Travel," after the WHO declared the Wuhan coronavirus a global health emergency. Here, a woman wears a mask in New York out of concern for the deadly respiratory virus.

There are now nearly 10,000 people with coronavirus — far surpassing the number of SARS cases worldwide in that 2003 outbreak.

(Image credit: Mark Lennihan/AP)