The UN health agency also warned in its announcement that “countries are beginning to experience supply shortages, including fuel, food, and basic supplies.”

This comes after a number of airlines and shipping services have halted transport to the worst affected capitals of Liberia, Sierra Leone and Guinea.

In a desperate bid to halt the disease’s spread, authorities in Liberia have quarantined off a huge slum that is home to 50,000 people. Protests erupted in West Point today, where residents threw rocks at police.

Liberia’s president has declared a curfew and ordered security forces to quarantine a slum home to at least 50,000 people as the West African country battled to stop the spread of Ebola in the capital.

Three Liberian health workers receiving an experimental drug known doses of ZMapp for Ebola are showing signs of recovery, officials said on Wednesday, though medical experts caution it is not certain if the drug is effective.

“The medical professionals have informed the Liberian information ministry their progress is ‘remarkable,’” the ministry said in a statement, adding that the patients are showing “very positive signs of recovery.”

SDF/KH