The treatment provided total protection to people in close contact with patients.

It may be time for a new cost-benefit analysis when it comes to vaccination.

Since this year's flu vaccine is off the mark, more people will probably come down with the flu.

"The more people that get shots, the safer the group will be," says one expert.

We're watching the Fed, mobile ad spending and vaccination rates Wednesday.

While the market for an Ebola vaccine is small, the payoff of production is big.

Data show the vaccine is modestly effective against malaria.

The flu kills thousands every year, and public health officials say that everyone over the age of 6 months should get vaccinated. But every few years it seems like there's a run on flu vaccine. To understand why, you need to look at the vaccine market.