flu vaccine

Scientists are pushing hard to find a more effective way to prevent nearly all seasonal flu strains with one shot. For starters, they're paying volunteers to spend a 10-day stint in "Hotel Influenza."

The internet abounds with myths about the relative risks of flu and flu shots, maybe partly because it's an annual shot and nobody likes needles. Here's the latest on what you might need — and why.

Scientists have come to realize that flu vaccines are less effective for people who are overweight or obese. Now researchers are trying to figure out why and hope to develop better vaccines.

The government wants to withhold flu shots from migrants in detention centers even though doctors advise vaccinations for all detainees promptly upon arrival.

Pregnant women in intensive care with severe cases of the flu have a higher risk of giving birth to babies prematurely. The risk of breathing problems for the baby is also substantially higher.

College students are among the least likely to get vaccinated against the flu, which killed more than 80,000 people last winter. Experts say the reasons are a combination of fear and misperception.