“It is possible that she is suffering from another viral complaint," an Israeli hospital spokeswoman said.
ZMapp, an experimental drug, has been administered to nearly 10 health workers, but WHO is working to disseminate other treatment options.
A fourth American patient to be infected by Ebola is expected to reach Nebraska on Friday and will receive the experimental drug ZMapp.
At least three states reported a rise in West Nile mosquitoes or a West Nile related death on Thursday.
The FDA-approved Keytruda is the first in a new range of drugs that could revolutionize the treatment of some cancers.
New figures from the CDC show that obesity rates in the U.S. have more than doubled in the past 30 years.
The Boston area man is the third American mission worker to have contracted the deadly virus while working with patients in West Africa.
More than 1,900 people have died during the current outbreak, according to the World Health Organization.
The question asked: "Would you support or oppose a law in your state that would legalize, tax, and regulate marijuana like alcohol?"
The Prostate Cancer Foundation said it will be returning donations made by redditors who supported the leak of hundreds of nude celebrity images.
The Ebola outbreak has killed some 1,550 people in West Africa, and experts fear the virus is still spreading fast.
Kim Kardashian is stripping down after dropping the baby weight. She is nude in the latest issue of British GQ.
The Ebola crisis is only going to get worse, a spokesperson for the U.S. Centers for Disease Control and Prevention said.
The health aid volunteer had contracted the virus while helping victims in a Sierra Leone clinic and was flown to Britain 10 days ago.
Amid the West African Ebola outbreak, analysts are worried about the long-term effects on already fragile economies.
Japanese researchers at Nagasaki University claim the new test is faster and cheaper than the current method being used to detect Ebola.
Saudi Arabia announced it has stopped issuing visas to workers from three countries at the center of the ongoing Ebola outbreak.
Rivers was rushed to Mount Sinai Hospital in New York City on Thursday after she suffered a cardiac arrest at a doctor's office.
A young man suspected of having Ebola has been hospitalized in Sweden.
Parents want Ashya to undergo proton beam therapy for his brain tumor.
The experimental drug has so far cured two American doctors, but the company producing it says it has no more doses of the drugs.
Ebola research has been funded far more by the government than by drug companies.