Rates of whooping cough (pertussis) have increased in recent years. One concern has been that the vaccine for pertussis becomes weaker over time. A recent study found this to be the case. During a California outbreak of pertussis, many of the grade school children had received their DTaP vaccine for pertussis.

Getting a jab for the flu might do more than protect you from coming down with it. It might actually lower your risk of a heart attack. Two recent studies have found a possible benefit for your heart from the flu vaccine.

Decisions about vaccine policies are made throughout the year by a group of experts and researchers. They met recently to discuss current issues with diseases and to make recommendations.

One of the concerns expressed by some parents about the HPV vaccine is that getting it might encourage their daughters to have sex sooner. Not so, says a new study.

The best reason to vaccinate your children is to protect them from disease. Comparing the time before a vaccine to the time afterward shows how effective those shots are.

The cases of whooping cough in the U.S. this year are the highest they have been since 1959. And the best way to protect the ones you love is to get the vaccine.

Since vaccine safety is often on some parents' minds, it's valuable news when an additional safety study is released. One on the HPV vaccine has just been completed.

There are so many things to remember to do and not do when you become pregnant. High up on your to-do list should be making sure you're vaccinated against the flu.

Getting your flu shot — and nine other common vaccines — just became a bit more convenient. No need to hassle with a doctor appointment. Just drop by Walmart.

The issue of vaccine safety has long plagued parents as much as it has researchers. How do we really know if a vaccine "caused" a condition or not?