Ebola death toll in West Africa rises to 337 as officials work to contain disease

Ebola is continuing to spread in three West African countries and the death toll in the outbreak has risen to more than 330.

Health officials are working to contain the outbreak, which is believed to have begun in Guinea, where the majority of the cases and deaths have been. It has also touched Sierra Leone and Liberia, where it recently flared again after about two months with no new cases.

According to health officials, there are more than 500 suspected or confirmed cases of the virus that have been recorded, and 337 people have died.

Ebola outbreaks are unusual for West Africa and fear of the disease, which has no cure, has hampered efforts to isolate the sick.