Passengers arriving on a China Southern Airlines flight from Changsha in China are screened for the new type of coronavirus, whose symptoms are similar to the cold or flu and many other illnesses, upon their arrival at the Jomo Kenyatta international airport in Nairobi, Kenya Wednesday, Jan. 29, 2020. Some countries began evacuating their citizens Wednesday from Wuhan, the Chinese city hardest-hit by an outbreak of the new virus that is thought to have killed over one hundred people and infected more than 6,000.(AP Photo/Patrick Ngugi)