Experts know from the 2014 epidemic that when the deadly virus crosses borders it sticks around for awhile.
A congresswoman from Florida takes a step toward eliminating a decades-old ban on gun-violence research.
Five people became sick in Kansas, Oklahoma and North Dakota.
Cities around the country are spraying pesticides meant to kill mosquitos that don't work—and could pose a serious health threat.
One man has the herculean task of mining the data and figuring out the likelihood that you'll die of a dog bite, or your pajamas will burst into flames.
The bacterial illness has been linked to traveling, and is drug-resistant.
The technician was working on Monday with Ebola specimens that were supposed to have been inactivated but which may instead have contained live virus.
Report details numerous accidents at labs handling potentially dangerous viruses