The virus, specifically its Bundibugyo strain, has now spread undetected for weeks in Congo's Ituri Province. | World News

Doctors battling the deadly Bundibugyo strain in DR Congo will likely have to wait months for a vaccine.

The Bundibugyo strain of Ebola, which spreads through direct contact with bodily fluids from infected people or animals, has an average fatality rate of around 40%, according to…