"If we don't know what the wildlife host is, we can't know how, where or when that will be." Scientists make major ...

Scientists don’t know the natural reservoir of Ebola, but they suspect the first person infected in an outbreak acquired the virus through contact with an infected animal or eating its raw meat.

Scientists don’t know the natural reservoir of Ebola, but they suspect the first person infected in an outbreak acquired the virus through contact with an infected animal or eating its raw meat.

Ebola is spread by contact with bodily fluids of an infected person or contaminated materials. Symptoms include fever, ...

Ugandan authorities have begun a clinical trial of a vaccine against the Sudan strain of Ebola that has killed one person in ...