Inspectors check the laboratory at a drill to deal with Ebola cases at the Guangzhou Eighth People's Hospital in Guangzhou, capital of south China's Guangdong Province, Oct. 23, 2014. Guangdong has ruled out possible Ebola cases as 43 people suspected of infection tested negative for the deadly virus. A total of 8,672 people from Ebola-ridden areas entered the province since August 23, and so far, 5,437 people have been discharged from medical observation. (Xinhua/Liu Dawei)

Medical workers take part in a drill to deal with Ebola cases at the Guangzhou Eighth People's Hospital in Guangzhou, capital of south China's Guangdong Province, Oct. 23, 2014. Guangdong has ruled out possible Ebola cases as 43 people suspected of infection tested negative for the deadly virus. A total of 8,672 people from Ebola-ridden areas entered the province since August 23, and so far, 5,437 people have been discharged from medical observation. (Xinhua/Liu Dawei) 

Medical workers take part in a drill to deal with Ebola cases at the Guangzhou Eighth People's Hospital in Guangzhou, capital of south China's Guangdong Province, Oct. 23, 2014. Guangdong has ruled out possible Ebola cases as 43 people suspected of infection tested negative for the deadly virus. A total of 8,672 people from Ebola-ridden areas entered the province since August 23, and so far, 5,437 people have been discharged from medical observation. (Xinhua/Liu Dawei)