Virus cases swell in South Korea as outbreak shifts, spreads

A worker wearing protective gears disinfect chairs as a precaution against the coronavirus at a subway station in Seoul, South Korea, Friday, Feb. 21, 2020. South Korea on Friday declared a "special management zone" around a southeastern city where a surging viral outbreak, largely linked to a church in Daegu, threatens to overwhelm the region's health system. (AP Photo/Ahn Young-joon)

A worker wearing protective gears sprays disinfectant as a precaution against the coronavirus at a subway station in Seoul, South Korea, Friday, Feb. 21, 2020. South Korea on Friday declared a "special management zone" around a southeastern city where a surging viral outbreak, largely linked to a church in Daegu, threatens to overwhelm the region's health system. (AP Photo/Ahn Young-joon)

Chart shows confirmed coronavirus cases in South Korea since Jan. 20; 1c x 3 1/2 inches; 46.5 mm x 88 mm;

A thermal camera monitor shows the body temperature of people at the Seoul Railway Station in Seoul, South Korea, Friday, Feb. 21, 2020. South Korea reported 100 new virus cases Friday, bringing the country's total to 204, many of them clustered around a southeastern city, and raising fears that the outbreak is getting out of control. (AP Photo/Ahn Young-joon)

SEOUL, South Korea — Schools were shuttered, churches told worshipers to stay away and some mass gatherings were banned as cases of a new virus swelled Friday in South Korea, the newest front in a widening global outbreak.