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UN: Ebola cases could eventually reach 20,000
Liberia Ebola Werm 1
In this photo taken on Wednesday, Red Cross workers walk through a section of West Point, an area that has been hit hard by the Ebola virus, with residents not allowed to leave as government forces clamp down on movement to prevent the spread of Ebola, in Monrovia, Liberia. - photo by Associated Press

CDC worker flown home to US over Ebola concerns

ATLANTA — A CDC staff member who worked in close proximity to someone infected by the deadly Ebola virus in West Africa has been flown by charter jet back home to Atlanta to monitor potential symptoms, officials said Thursday.

The staffer had "low risk" contact with someone who later tested positive for the virus in Sierra Leone, said Tom Skinner, a spokesman at the Atlanta-based Centers for Disease Control and Prevention.

"The worker is not sick, not showing symptoms, not showing any signs of illness whatsoever," Skinner said.

The staffer worked within three feet of the ill international health worker in the same room for a prolonged period of time, according to a CDC statement. The staffer practiced "good personal infection control," according to the CDC. The agency did not identify the worker.

The CDC staffer arrived in Atlanta on Wednesday and is at home, Skinner said. The worker is expected to check for fever twice each day for 21 days as a precaution, Skinner said.

A specially equipped jet that was used to transport American aid workers Nancy Writebol and Dr. Kent Brantly to Atlanta after they tested positive for Ebola was not used for the CDC staffer, Skinner said. Instead, he said, the staffer flew on a more standard charter plane. Writebol and Brantly were released from Emory University Hospital this month.

The World Health Organization said Thursday that the Ebola outbreak in West Africa eventually could exceed 20,000 cases, more than six times as many as are now known.

To fight the outbreak, more than 60 CDC personnel are in the region, though the numbers fluctuate as staffers rotate in and out of hard-hit areas, according to the agency.

— Associated Press

GENEVA — The Ebola outbreak in West Africa eventually could exceed 20,000 cases, more than six times as many as are known now, the World Health Organization said Thursday as the United States announced plans to test an experimental Ebola vaccine.

Currently, about half of the people infected with Ebola have died, so in a worst-case scenario the death toll could reach 10,000, the agency said, according to a plan released Thursday on how to stop the outbreak.

The U.N. agency's latest figures show that 1,552 people have died from the virus from among the 3,069 cases reported so far in Liberia, Sierra Leone, Guinea and Nigeria. However, it said the actual number of cases in many hard-hit areas may be two to four times higher than that. That suggests there could be up to 12,000 cases already.

"This far outstrips any historic Ebola outbreak in numbers. The largest outbreak in the past was about 400 cases," Dr. Bruce Aylward, WHO's assistant director-general for emergency operations, told reporters.

More than 40 percent of the cases have been identified in the last three weeks, the U.N. health agency said, adding that "the outbreak continues to accelerate." Aylward said the agency does not necessarily expect 20,000 cases, but a system must be put into place to handle such a massive increase in case numbers.

The U.S. National Institutes of Health, meanwhile, announced it will start testing an experimental Ebola vaccine in humans next week. The vaccine was developed by the U.S. government and GlaxoSmithKline and the preliminary trial will test the shot in healthy U.S. adults in Maryland. At the same time, British experts will test the same vaccine in healthy people in the U.K., Gambia and Mali.

The vaccine trial was accelerated in response to the outbreak that has ravaged West Africa and led to riots as poorly designed quarantines were put into place against tens of thousands of people.

Preliminary results to determine if the vaccine is safe could be available within months.

Aylward said the current outbreak was posing a unique challenge because there are multiple hot spots in several countries, including some in densely populated urban areas. Previous outbreaks had happened in a single, remote area.

The new plan aims to stop Ebola transmission in affected countries within six to nine months and prevent it from spreading internationally. It calls for $489 million over the next nine months and requires 750 international health workers and 12,000 national ones.

The goal is to take "the heat out of this outbreak" within three months, Aylward said. The next goal would be to stop the transmission of the killer virus within eight weeks of a new case being confirmed anywhere in the world.

The third major goal is to increase the preparedness for dealing with Ebola in all nations that share borders with affected countries or have major transportation hubs, he said.

Doctors Without Borders, a charity that has criticized the WHO and the international community for responding too slowly to the crisis, warned that the new U.N. plan "should not give a false sense of hope."

"As an international public health emergency, states with the capacity to help have the responsibility to mobilize resources to the affected countries, rather than watching from the sidelines with a naive hope that the situation will improve," Brice de le Vingne, the group's director of operations, said in a statement.

Air France on Wednesday canceled its flights to Sierra Leone; the WHO has urged airlines to lift such restrictions.

"Right now there is a super risk of the response effort being choked off, being restricted, because we simply cannot get enough seats on enough airplanes to get people in and out, and rotating, to get goods and supplies in and out and rotating," Aylward said.

Nigerian authorities, meanwhile, said a man who contracted Ebola after coming into contact with a traveler from Liberia had evaded surveillance and infected a doctor in southern Nigeria who later died.

The doctor is the sixth person to die of the disease in Nigeria and marks the first fatality outside the commercial capital of Lagos, where a Liberian-American man, Patrick Sawyer, flew in in late July.

The World Food Program says it is preparing to feed 1.3 million people in Guinea, Liberia and Sierra Leone in the coming months because measures to control an Ebola outbreak have cut off whole communities from markets, pushed up food prices and separated farmers from their fields. Denise Brown, the West Africa regional director for the U.N. agency, said $70 million is needed immediately to meet those needs.


Larson reported from Dakar, Senegal. Bashir Adigun in Abuja, Nigeria, Sarah DiLorenzo in Dakar and Maria Cheng in London contributed to this report.


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