It's a virus that can strike with unrelenting force. The kind of care need to knock it out is often not fully available in a lower resource country like the Democratic Republic of Congo.

A remote Congolese town is under siege, as medical workers with limited supplies struggle to beat back a surge of deaths and infections.

Nearly 250 people are suspected to have died, and more than 1,100 are infected with the rare strain of Ebola in the DRC and Uganda, though the true spread of the virus is feared…