FILE - In this Jan. 4, 2020, file photo, a health surveillance officer monitors passengers arriving at the Hong Kong International airport in Hong Kong. On Friday, Jan. 17, 2020, the U.S. Centers for Disease Control and Prevention officials said they will begin screening airline passengers at three U.S. airports who traveled from Wuhan in central China, for a new illness that has prompted worries about a new international outbreak. (AP Photo/ <PERSON>, File)