A mobile blood-testing lab. Hand-washing stations on street corners. Motorcycle taxi drivers forbidden from sharing spare helmets. If Ebola is coming, the city of Goma in eastern Congo wants to be ready.

An outbreak suspected of killing 43 people is spreading across the lush farmlands of eastern Congo, where ethnic and military conflicts threaten to hobble containment efforts.

Goma, a lakeside city of 1 million people near the Rwandan border, is more than 350 km (220 miles) south from the epicenter of the outbreak in the town of Mangina in North Kivu province, and no cases have been confirmed there.