flu vaccine

This year's flu shot is less than 50% effective, CDC says

Don't let your guard down: The US flu season is expected to continue for several more weeks, with activity across the nation now elevated, the US Centers for Disease Control and Prevention reported Thursday. A flu shot is still recommended for those who have neglected to get one, but the CDC estimated this year's vaccine's overall effectiveness in preventing an infection at just 47%.

8 most common flu myths

Think you know everything about the flu? See if you've been fooled by the eight most common flu myths.

80,000 deaths caused by flu last season, CDC says

An estimated 80,000 Americans died of flu and its complications last winter, according to the US Centers for Disease Control and Prevention. This means it was the deadliest season in more than four decades -- since 1976, the date of the first published paper reporting total seasonal flu deaths, said CDC Spokeswoman Kristen Nordlund.

Flu experts call for new vaccines, drugs, diagnostics

Though no new ground was broken at Thursday's congressional hearing about national influenza preparedness and response, several less-familiar points were underlined by officials testifying on behalf of the US Department of Health and Human Services.

Flu vaccine just 36% effective this season, CDC reports

Flu season is still raging in the United States, yet already it ranks among the most difficult in recent years. One reason: This year's vaccine has been just 36 percent effective against both A and B virus strains, the U.S. Centers for Disease Control and Prevention estimated in Thursday's Morbidity and Mortality Weekly Report.

Influenza on the rise in Washington

Flu activity is on the rise in Washington, and health officials at the Washington State Department of Health are urging people to get a flu shot now.