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.
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
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.
The human body could be used as rapid, scalable vaccine factories, DARPA researchers said at a new technology forum.
A man in the United Kingdom experienced a very rare complication of the Polio vaccine he received in childhood.
Certain types of vaccines, that allow vaccinated individuals to spread disease, could lead to deadlier viruses, new evidence in chickens shows.
Animal testing of a new flu vaccine finds that the cocktail protects against influenza strains not included in the original mix. Clinical trials could begin in about a year, the researchers say.
The swine flu vaccine was linked with an increase in narcolepsy cases in Europe, and now researchers may have figured out why.
Next season's flu shot will contain two new flu strains not present in last season's shot, according to the Centers for Disease Control and Prevention.
Getting vaccinated against measles may also help you avoid other diseases as well, a new study shows.
A lab worker in Boston became infected with a virus similar to smallpox after he accidentally stuck himself with a needle that was contaminated with the virus, according to a new report of the case.
A new study of children at high risk of developing autism is the latest research to find no link between autism and the vaccine against measles, mumps and rubella (called the MMR vaccine).
Low vaccination rates are what's driving the large outbreak of measles that began at Disneyland in California last December, a new analysis suggests.
The percentage of Americans who consider vaccines crucial for children has declined slightly in the past decade, according to a new survey.
This flu season has been particularly severe for older adults, with the highest rate of hospitalizations among this age group in a decade.