MONDAY, March 16, 2026 — Flu activity in the United States is finally slowing down, but health experts say this year’s flu vaccine didn't...

As the U.S. flu season winds down, health officials say the flu vaccine didn’t work very well. It had one of its worst effectiveness rates in more...

As the U.S. flu season winds down, health officials say the flu vaccine didn’t work very well. It had one of its worst effectiveness rates in more...

A new strain that dominated the early winter was not well matched to the vaccine, leading to an intense early onslaught of flu. ......

A new strain that dominated the early winter was not well matched to the vaccine, leading to an intense early onslaught of flu. ......

As the U.S. flu season winds down, health officials say the flu vaccine didn't work very well, with one of its worst effectiveness rates in more than...

By Christine Heinrichs Ever since a deadly strain of avian influenza, H5N1, killed some 17,000 southern elephant seal pups on South American...

By Christine Heinrichs Ever since a deadly strain of avian influenza, H5N1, killed some 17,000 southern elephant seal pups on South American...

Britain’s health authorities said on Friday that early laboratory analysis had showed the vaccine being offered to students should protect against...

A new strain that dominated the early winter was not well matched to the vaccine, leading to an intense early onslaught of flu. The CDC posted data...