The cruise ship Aidamar is docked at the Port of Zeebrugge, Belgium, Wednesday, March 11, 2020. The ship was briefly held by port authorities on Wednesday over concerns regarding the coronavirus. For most people, the new coronavirus causes only mild or moderate symptoms, such as fever and cough. For some, especially older adults and people with existing health problems, it can cause more severe illness, including pneumonia. (AP Photo/Olivier Matthys)

March 11, 2020