Ebola-Stricken Countries Scramble to Build Treatment Centers

The worst-ever outbreak continues to spread in West Africa.

Get the Latest on the Ebola Outbreak

Ebola Outbreak: Looking for Hope in a Hot Zone

Congo Reports First Ebola Cases as Outbreak Continues

Roughly 240 health care workers have been infected while working to curb the outbreak, according to WHO, 120 of whom have died.

Ebola is a contagious virus that spreads through contact with body fluids. The best way to prevent its spread is to isolate patients until they’re no longer showing symptoms such as fever, aches, diarrhea and vomiting.

But the unprecedented outbreak, that largest since the discovery of Ebola in 1976, has overwhelmed what little medical infrastructure existed before cases began to emerge in March 2014. Shuttered schools and buildings once reserved for cholera patients have been transformed into Ebola wards to keep up with the influx of patients.

In Liberia, new treatment centers are quickly filling up with previously unidentified Ebola patients leading health officials there to suspect an uncounted and untreated "invisible caseload," according to WHO.

Meanwhile, the outbreak is depleting resources needed to address other medical problems.

Please join Dr. Besser for a Facebook chat today at 1 p.m. ET. He'll be answering your questions about Ebola and describing the situation from inside the hot zone in Liberia. To join, simply go to the ABC News Facebook page.

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