Hundreds of People Infected With Virus in Winter Olympics Host City

South Korean soldiers inspect a visitor at a security checkpoint as they replace security guards showing symptoms of the norovirus at the Gangneung Ice Arena in Gangneung ahead of the Pyeongchang 2018 Winter Olympic Games on Feb. 6, 2018. Jung Yeon-Je/AFP/Getty Images

Hundreds of cases of norovirus infections have been confirmed during the Winter Olympics in the host city of Pyeongchang, as of Feb. 12.

The outbreak of the virus started last week.