Officials say a man in police custody in Cobb County has undergone tests for the Ebola virus and initial results are negative for symptoms that are precursors for the illness.
Some critics say the al-Qaida unit known as the Khorasan Group was bluffed up as an excuse for U.S. airstrikes in Syria. Intelligence officials and analysts say the group exists and is dangerous.
A doctor at the Texas Health Presbyterian Hospital in Dallas says the list of "contact traces" has been narrowed and that "will be followed on a daily basis" to check for symptoms.
The move, which was announced by Prime Minister Stefan Lofven, would make Sweden the first major European nation to take that step.
Modern medicine offers no easy way to spot Ebola early. The key to preventing an outbreak is still old-fashioned detective work.
The family that hosted Ebola patient Thomas Duncan in Dallas is under quarantine. It's a time-honored public health tool to stop the spread of infectious disease. But it can be abused.
Several dozen children in California and Colorado have suffered paralyzed limbs, which doctors speculate could be caused by the respiratory virus EV-68. But we're a long way from knowing for sure.
For weeks, Colorado high school students protested a proposal that the AP history course promote patriotism. The school board dropped some controversial language, but voted to review the curriculum.