Mongolia closes border, China extends holiday to fight virus

Paramilitary police wear face masks as they stand guard at Tiananmen Gate adjacent to Tiananmen Square in Beijing, Monday, Jan. 27, 2020. China on Monday expanded sweeping efforts to contain a viral disease by postponing the end of this week's Lunar New Year holiday to keep the public at home and avoid spreading infection. (AP Photo/Mark Schiefelbein)

Members of a foreign tour group wear face masks as they walk in a park near the closed Forbidden City in Beijing, Monday, Jan. 27, 2020. China on Monday expanded sweeping efforts to contain a viral disease by postponing the end of this week's Lunar New Year holiday to keep the public at home and avoid spreading infection as the death toll rose to 80. (AP Photo/Mark Schiefelbein)

In this Jan. 26, 2020, photo released by Xinhua News Agency, members of a military medical team head for Wuhan Jinyintan Hospital in Wuhan, central China's Hubei province. China on Monday expanded sweeping efforts to contain a viral disease by postponing the end of this week's Lunar New Year holiday to keep the public at home and avoid spreading infection. (Cheng Min/Xinhua via AP)

Dr. Sharon Balter, at podium with the Los Angeles County Department of Public Health officials, confirms a patient was taken to a hospital with Coronavirus symptoms at a news conference in Los Angeles Sunday, Jan. 26, 2020. The U.S. has several confirmed cases of the new virus from China, all among people who traveled to the city at the center of the outbreak, health officials said Sunday. (AP Photo/Chris Weber)

In this Jan. 26, 2020, photo released by Xinhua News Agency, a member of a military medical team takes over the work from a medical worker at Wuhan Jinyintan Hospital in Wuhan, central China's Hubei province. China on Monday expanded sweeping efforts to contain a viral disease by postponing the end of this week's Lunar New Year holiday to keep the public at home and avoid spreading infection. (Li Yun/Xinhua via AP)

BEIJING — China on Monday expanded its sweeping efforts to contain a deadly virus, extending the Lunar New Year holiday to keep the public at home and avoid spreading infection as the death toll rose to 81.