Story highlights The patient got sick at a town in Sierra Leone

Health officials are tracing anyone who may have had contact with the deceased

(CNN) Sierra Leone has reported a death from the Ebola virus -- a major setback hours after global experts said the outbreak was over in West Africa.

The patient got sick at a town bordering Guinea, said Sidi Tunis, a spokesman at an Ebola response center in Sierra Leone.

Health officials are tracing anyone who may have had contact with the deceased.

The new case was confirmed Friday, hours after the World Health Organization gave the region an all-clear.

It made the proclamation after Liberia Sierra Leone and Guinea halted the chain of transmission simultaneously for the first time

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