Apr 18, 2014 — A mumps outbreak in Ohio has ballooned to 234 cases, even though the community is well-protected against the virus. One scientist explains why this "vaccine failure" occurs.
Apr 7, 2014 — A young woman who didn't know she was infected with measles went to a Kings of Leon concert in Seattle. Public health investigators have reconstructed her movements to warn the public.
Apr 6, 2014 — With new measles outbreaks in Southern California, New York and British Columbia, vaccinating — and not vaccinating — is still an area of great concern.
Mar 19, 2014 — Despite evidence to the contrary, many Americans believe cellphones cause cancer and that health officials are covering it up. Discredited theories about vaccines and fluoridation also remain popular.
Mar 17, 2014 — Roughly 1 in 5 unvaccinated people had the flu between 2006 and 2011, but only a quarter of them had symptoms, a study found. That could affect how the virus spreads.
Feb 19, 2014 — Only one third of teenage girls have gotten the recommended three shots of HPV vaccine to protect against cervical cancer. Doctors are trying to figure out what will get them in the door.
Jan 25, 2014 — An interactive map shows how measles and whooping cough have made a comeback in the U.S. and Europe, even though they're easily prevented by a few shots. The surge of these diseases coincides with changes in views about vaccine safety.
Nov 16, 2013 — There have been seven cases of bacterial meningitis on the university's campus since March. The FDA has given approval to importing a European vaccine because the strain detected at Princeton isn't covered by vaccines available in the U.S. The severe disease can cause serious complications or death.
Nov 9, 2013 — The number of children skipping vaccines has been rising, raising concerns about outbreaks of measles and other infections diseases. A California law designed to encourage parents to get information before deciding about vaccination has been complicated by the governor's addition of an exemption for members of religious groups.
Oct 8, 2013 — Bombs targeting polio vaccinators have threatened the global effort to stamp out the disease once and for all. The attacks are likely to continue, researchers warned, unless there's a change in eradication strategy toward local action.