In Virunga National Park, rangers are on the front lines — playing a critical role to contain the surging virus while coping with an upsurge in conflict-related violence.

In Virunga National Park, rangers are on the front lines — playing a critical role to contain the surging virus while coping with an upsurge in conflict-related violence.

Virunga’s park rangers are tasked with fighting off Isis-affiliated militants and preventing spread of a deadly disease