46% of Americans Are 'Unsure' if Vaccines Cause Autism. They Don't
A new Gallup poll shows that while Americans are confident in vaccines overall, they're still unsure on debunked claims about a link between vaccines and autism.
Why the DRC's latest Ebola outbreak is more worrisome than the last
Doctors were better prepared for this outbreak, but it's already become Africa's second-deadliest ever, partly because it's happening in a war zone.