The United States is organizing a rapid-response team to aid U.S. hospitals "within hours" if there are any cases of Ebola that arise.

The vision of containing the contagion was shattered as the World Health Organization anticipates the three West African countries infected with the disease, Guinea, Liberia and Sierra Leone, could present as many as 10,000 new cases per week by the early December.

Like Us on Facebook

Dr. Thomas Frieden, director of the Centers for Disease Control and Prevention, acknowledged lapses in the treatment of the Liberian man infected with the virus in Dallas late September.

"I wish we had put a team like this on the ground the day the first patient was diagnosed ... but we will do that from today onward with any case in the U.S.," he told reporters. "We will be there, hands on, within hours, helping hospitals with the situation if there is another case."

Meanwhile, the nurse infected with the disease while treating Thomas Eric Duncan in a hospital in Dallas said she was doing well, although Frieden said 76 people were still being observed in the area.

Nina Pham, the 26-year-old nurse is "in good condition," the Texas Health Presbyterian Hospital said in a statement.

Addressing defense chiefs from 20 nations, U.S. President Barack Obama said "the whole world is not doing enough" to fight Ebola and stop it at its origins. The outbreak in West Africa is the worst on record, with at least 4,447 deaths, health authorities said.

The Democratic Republic of the Congo, on the other hand, had an unrelated outbreak that has left over 40 people dead.

TagsRapid-response team, Guinea, Sierra Leone, Dr. Thomas Frieden, Centers for Disease Control and Prevention, Thomas Eric Duncan, Nina Pham, U.S. President Barack Obama, President Barack Obama, West Africa, Democratic Republic of Congo