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The deadly Ebola virus outbreak in West Africa has hit "unprecedented" proportions, said relief workers on the ground, according to CNN. 

"The epidemic is out of control," Dr. Bart Janssens, director of operations for Doctors Without Borders, said in a statement.

There have been 567 cases and 350 deaths since the epidemic began in March, according to the latest World Health Organization figures.

Ebola virus outbreaks are usually confined to remote areas, making it easier to contain. But this outbreak is different; patients have been identified in 60 locations in Guinea, Sierra Leone and Liberia.

Officials believe the wide footprint of this outbreak is partly because of the close proximity between the jungle where the virus was first identified and cities such as Conakry. The capital in Guinea has a population of 2 million and an international airport.

People are traveling without realizing they're carrying the deadly virus. It can take between two and 21 days for someone to feel sick after they've been exposed.

Ebola is a violent killer. The symptoms, at first, mimic the flu: headache, fever, tiredness. What comes next sounds like something out of a horror movie: significant diarrhea and vomiting, while the virus shuts off the blood's ability to clot.

As a result, patients often suffer internal and external hemorrhaging. Many die in an average of 10 days.

"We have reached our limits," Janssens said.

Doctors Without Borders, also known as Médecins Sans Frontières, is the only aid organization treating people affected by the virus. Since March, they have sent more than 300 staff members and 40 tons of equipment and supplies to the region to help fight the epidemic.