(Lee Ji-eun | Yonhap via AP) A worker wearing a face mask sprays disinfectant as a precaution against the new coronavirus at Myeongdong Cathedral in Seoul, South Korea, Wednesday, Feb. 26, 2020. The number of new virus infections in South Korea jumped again Wednesday and the U.S. military reported its first case among its soldiers based in the Asian country, with his case and many others connected to a southeastern city with an illness cluster.