Not enough is known about this disease.

Although they keep saying it can only be transmitted between humans from "body fluids", some research has shown it has been transmitted from pigs to monkeys and that due to the virus being found in the lungs of the monkeys, it showed the virus was inhaled.

Have a read here and also look at the date of the news item:-

http://www.bbc.co.uk/news/science-environment-20341423