Home quarantine for travelers buys time as new virus spreads

In this Feb. 11, 2020, photo, Ken Zurek, 63, poses for a photo at his home in Highland, Ind. Zurek and his wife arrived in China days before news broke of the coronavirus. They cut their trip short because of the virus and decided to self quarantine themselves in their Highland home for 15 days, just as an extra precaution. (Zbigniew Bzdak/Chicago Tribune via AP)

In this Feb. 1, 2020, photo provided by Ian Lipkin, Lipkin, director of the Center for Infection and Immunity at Columbia University, waits for his flight to Beijing at the Guangzhou airport in Guangzhou, China. In Beijing he met with members of the main China CDC along with other Chinese scientific leaders. Lipkin is under a quarantine since his return from China, monitoring for possible symptoms of coronavirus. (Guo Cheng/Courtesy of Ian Lipkin via AP)

In this Jan. 29, 2020, photo provided by Ian Lipkin, Lipkin, right, director of the Center for Infection and Immunity at Columbia University, meets with Zhong Nanshan at the Guangzhou airport in Guangzhou, China. Both were advisers to the Chinese government during the SARS outbreak and will be working together again for COVID-19. Lipkin is under a quarantine since his return from China, monitoring for possible symptoms of coronavirus. (Guo Cheng/Courtesy of Ian Lipkin via AP)

In this photo taken Thursday, Feb. 13, 2020, public health nurse Jennifer Morgan, right, checks-in via phone with a patient self-quarantined at home who had some risk of exposure to the coronavirus as University of Washington epidemiology student Erika Feutz observes at Public Health — Seattle & King County, in Seattle. Hundreds of people in the United States and thousands around the world are in quarantine at home as authorities try to curb the spread of the virus. (AP Photo/Elaine Thompson)

In this photo taken Thursday, Feb. 13, 2020, Ted Toet, of the King County Emergency Management office, helps with logistics at the offices of Public Health — Seattle & King County in response to the threat of coronavirus in the area, in Seattle. Hundreds of people in the United States and thousands around the world are in quarantine at home as authorities try to curb the spread of the virus. (AP Photo/Elaine Thompson)

In this photo taken Thursday, Feb. 13, 2020, Public Health — Seattle & King County public health nurse Eileen Benoliel demonstrates how she fits her health care provider mask in her office, in Seattle. Hundreds of people in the United States and thousands around the world are in quarantine at home as authorities try to curb the spread of the virus. (AP Photo/Elaine Thompson)

On his return from China last week, Dr. Ian Lipkin quarantined himself in his basement. His wife now puts his food on the stairs. He’s run out of things to watch on Netflix. At odd hours, he walks in New York’s Central Park, keeping 10 feet away from others.