Fully vaccinating children by giving them two doses of the flu vaccine can cut their risk of hospitalization as much as 54%, researchers say.

This past summer, fear of eastern equine encephalitis gripped New England despite its relatively low impact. So why aren't more people scared of the flu?

Data show that infection and vaccination change the expression of certain genes, which may make the flu shot more effective or lead to a universal vaccine.

An antibody that gunks up the machinery that flu viruses use to replicate in mice could be the first step towards a universal flu vaccine.

"...right now, if you are a parent traveling with a child, we recommend you carry on the medications you think your child might need."

Why is the flu worse in winter? Low humidity is a big factor, new research finds.

"In a pandemic, nearly no one would have natural immunity, so the death toll could be significantly high if we don't improve vaccine coverage."

Some kinds of bacteria make it less likely you'll get the flu, which could be the first step towards a pill to keep you healthy during flu season.