US advises no travel to China, where virus deaths top 200

A medical worker in a hazardous materials suit uses a body thermal scanner to check temperature of Chinese passenger who just arrived from Beijing at the Yaroslavsky railway station in Moscow, Russia, Friday, Jan. 31, 2020. Russia has reported the first two cases of a new virus in the country. (AP Photo/Pavel Golovkin)

South Koreans evacuated from Wuhan, China, disembark from a chartered flight at Gimpo Airport in Seoul, South Korea, Friday, Jan. 31, 2020. South Korea sent planes to fly back home more of their nationals from the Chinese city of Wuhan, the epicenter of a new virus. (Kim Kyun-hyun/Newsis via AP)

Quarantine workers in protective suits check identity documents as tourists from the Wuhan area walk off of a chartered plane taking them home from Bangkok at Wuhan Tianhe International Airport in Wuhan in central China's Hubei Province, Friday, Jan. 31, 2020. A group of Chinese tourists who have been trapped in Thailand since Wuhan was locked down due to an outbreak of new virus returned to China on Friday. (Chinatopix via AP)

BEIJING — The U.S. advised against all travel to China as the number of cases of a worrying new virus spiked more than tenfold in a week, including the highest death toll in a 24-hour period reported Friday.