Two years after West Africa was declared Ebola-free, health ailments and other burdens persist

Bev Kauffeldt’s voice quivered as she described the plight of a young well technician employed in Liberia by the international humanitarian aid organization Samaritan’s Purse.

The man lost 18 family members to Ebola when the virus ravaged several countries in West Africa almost two years ago, Kauffeldt...