Centers in Guinea , Liberia and Sierra Leone are overwhelmed , World Health Organization says . Cases have also been reported in nearby Nigeria and Senegal . At least 2,400 people have died in the 3 countries ; other cases seen in Nigeria and Senegal . Score: 7 Money will be used to purchase supplies and scale up emergency operations .
Centers in Guinea , Liberia and Sierra Leone are overwhelmed , World Health Organization says . At least 2,400 people have died in the 3 countries ; other cases seen in Nigeria and Senegal . Score: 7 Money will be used to purchase supplies and scale up emergency operations .