Ebola may start flaring up again in West Africa as a country previously rid of the virus is facing new cases.

A Liberian official announced a second confirmed case of Ebola Wednesday, but declined to specify who or how it was contracted, according to a report from Reuters.

It is unknown whether the case is linked to a confirmed case of a 17-year-old boy who died Sunday of the virus.

In May, Liberia was deemed Ebola free from public health organizations after no new cases surfaced in more than 40 days.

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