First confirmed case of Ebola diagnosed in US

The United States is discussing the possible use of experimental drugs or blood plasma from a recovered Ebola patient as a potential treatment for a patient in Texas diagnosed with with the disease.

Dr. Thomas Frieden, director of the U.S. Centers for Disease Control and Prevention, said it was the first confirmed case to be diagnosed in the United States.

The death toll from the Ebola outbreak in West Africa has risen to at least 3,091 out of a total 6,574 cases, the World Health Organisation has said.

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Questions raised about experimental Ebola medicine

It is unknown whether the experimental treatments given to the US patients suffering from the Ebola virus were helpful or harmful, according to the director of the US Centers for Disease Control and Prevention (CDC).

In testimony to a special congressional hearing, Dr. Thomas Frieden said he was confident, "there will not be a large Ebola outbreak in the US," although he admitted that it was possible the people entering America could bring the virus with them.

He added that the organisation has more than 250 staff members working on the outbreak, but it was unknown whether the experimental treatments given to the US patients suffering from the Ebola virus was helpful or harmful.

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