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.

College students were at high risk for infection during the H1N1 “swine flu” outbreak in 2009. So why did so many avoid the free flu shots offered by their campus' health clinics?

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.

About 15 million people in the US see a doctor annually for a sore throat. Many are misdiagnosed with strep, and up to 70 percent are given antibiotics that will not fight a virus.

September is the time to get your family ready for this year's flu season. When should children start getting vaccinated against flu?

What stands between a flu that mostly affects pigs and a deadly virus that can jump from human to human? According to a new study, the barrier is only a few genetic tweaks.

Who is getting the message about getting the flu shot every year? A new study finds that in some cases, a racial line can be drawn between who gets vaccinated and who doesn't.

Getting a runner's high is the ultimate goal for marathon runners. But these runners can get a bit more than they asked for if they're not too careful.

Think back to the panic around swine flu in 2009, the first time H1N1 appeared on the scene. Did you think it was more deadly than the normal, run-of-the-mill flu?