By MARIA CHENG

Associated Press

GENEVA (AP) _ The death rate in the Ebola outbreak has risen to 70 percent and there could be up to 10,000 new cases a week in two months, the World Health Organization warned Tuesday.

WHO assistant director-general Dr. Bruce Aylward gave the grim figures during a news conference in Geneva. Previously, WHO had estimated the death rate at around 50 percent.

Aylward said the 70 percent death rate was “a high mortality disease” in any circumstance and that the U.N. health agency was still focused on trying to get sick people isolated and provide treatment as early as possible.

He told reporters that if the world’s response to the Ebola crisis isn’t stepped up within 60 days, “a lot more people will die” and there will be a huge need to deal with the spiraling numbers of cases.

For the last four weeks, there’s been about 1,000 new cases per week _ including suspected, confirmed and probable cases, he said, adding that the U.N. health agency is aiming to get 70 percent of cases isolated within two months to reverse the outbreak.

WHO increased its Ebola death toll tally to 4,447 people on Tuesday, nearly all of them in West Africa, from 8,914 cases.

Sierra Leone, Guinea and Liberia have been hardest hit nations in the current outbreak. Aylward said WHO was very concerned about the continued spread of Ebola in the three countries’ capital cities _Freetown, Conakry and Monrovia.

He said the agency was still focused on trying to treat Ebola patients, despite the huge demands on the broken health systems in West Africa.

“It would be horrifically unethical to say that we’re just going to isolate people,” he said, noting that new strategies like handing out protective equipment to families and setting up very basic clinics _ without much treatment _ was a priority.

In Berlin, a U.N. medical worker infected with Ebola in Liberia died despite “intensive medical procedures.” The St. Georg hospital in Leipzig said Tuesday that the 56-year-old man, whose name has not been released, died overnight of the infection.

The man tested positive for Ebola on Oct. 6, prompting Liberia’s U.N. peacekeeping mission to place 41 other staff members under “close medical observation.”

He arrived in Leipzig for treatment on Oct. 9. The hospital’s chief executive, Dr. Iris Minde, said at the time there was no risk of infection for other people, since he was kept in a secure isolation ward specially equipped with negative pressure rooms that are hermetically sealed.
He was the third Ebola patient to be flown to Germany for treatment. The first man recovered and returned home to Senegal. A Uganda aid worker is still being treated in Frankfurt.

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