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WHO: Ebola cases near 2,000, with more than half dead

Ebola Outbreak Map

(CNN) — The deadliest Ebola outbreak in recorded history has now infected nearly 2,000 people, with more than half of those killed by the disease, the World Health Organization said Wednesday.

Ebola is believed to have infected 1,975 people in four West African countries since the outbreak began this year, and 1,069 of them have died, the WHO said. The numbers reflect the WHO’s count as of Monday.

That’s an increase of 127 cases and 56 deaths in two days, the WHO said.

The outbreak began in Guinea and has spread to Liberia, Sierra Leone and Nigeria.

The new numbers come as health officials are opening up to the use of experimental treatments and vaccines.

This week, a group of ethicists gathered by the WHO unanimously concluded that it is ethical to offer unproven medications to fight the Ebola virus, even if their effectiveness or adverse effects are unknown.