A study of pediatricians suggests that more parents are refusing to vaccinate their children, compared with a decade ago. But their reasons are different now.
Vaccines help protect people from diseases. They contain "weakened" or "dead" germs, such as viruses or bacteria, which stimulate the body's immune system in a manner that can prevent us from getting sick with harmful pathogens. Here's the latest science news on vaccines.Vaccines
Health officials say the flu nasal spray should not be used this coming fall and winter. Here's why this vaccine may not be working so well.
College-bound students are about to make the transition to adulthood, but that doesn't mean they're done with vaccines.
The close living spaces in college dorms may make people particularly susceptible to the virus, even if they've been vaccinated.
Whooping cough, also known as pertussis, is a bacterial infection of the respiratory tract that causes severe coughing. The disease is especially serious for babies.
Many U.S. measles cases occur in children whose parents refuse vaccines for religious or philosophical reasons, a new study suggests.
The first vaccine trials against the Zika virus will likely start this fall, federal health officials announced today (March 10).
A new vaccine against the Zika virus shows promising results in mice, a pharmaceutical company announced in a statement yesterday (Feb. 17).
Flu season has started, and although it's not as bad as last year's, there have been reports of severe illness in some young and middle-age adults, according to the CDC.
An outbreak of whooping cough in Florida was surprising to health authorities there -- most of the people who got sick had been fully vaccinated.
Americans who travel abroad often do not receive recommended vaccines that would protect them against certain illnesses that are active overseas, new research suggests.
About 9 million U.S. children are susceptible to measles, either because they haven't received the vaccine against the viral disease or because they aren't up to date with their shots.
Scientists have found yet another reason to vaccinate their children: Keeping up with immunizations may reduce the risk of childhood stroke, according to a new study.