Hong Kong 1986: A restaurant employee murders his boss and mutilates his wife. He escapes to South Africa, where he rapes a Zulu-girl who is infected with the Ebola virus. In the restaurant where he now works, he murders his boss and the boss' wife after raping her. He chops them up and makes them into hamburgers, which he sells in the restaurant, spreading the Ebola virus. When the police come on his trail, he moves back to Hong Kong, and an Ebola epidemic starts there.
Ebola Syndrome
A Chinese restaurant worker wanted for murder in Hong Kong contracts Ebola in South Africa, becomes immune to it, and unknowingly spreads the virus there, then comes back to Hong Kong and continues to infect people with it.