Korean soldiers spray disinfectant as a precaution against the coronavirus on a shopping street in Seoul, South Korea, last week. U.S. military stationed in South Korea and Italy have been ordered not to travel because of the outbreak.

Korean soldiers spray disinfectant as a precaution against the coronavirus on a shopping street in Seoul, South Korea, last week. U.S. military stationed in South Korea and Italy have been ordered not to travel because of the outbreak.