GUANGZHOU, CHINA - OCTOBER 30: People have their temperature taken at the entrance of Canton Fair in Guangzhou, Guangdong province, October 30, 2014. Chinese authorities have identified the southern province of Guangdong, home to Asia's biggest African population, as a frontline in their efforts to prevent the deadly Ebola virus from entering mainland China. (Photo by Aleksandar Plavevski/Anadolu Agency/Getty Images)