Key Takeaways This season's flu vaccine didn't work as well as usual, officials sayA new virus strain did not match the shot ...

As the U.S. flu season winds down, health officials say the flu vaccine didn’t work very well, with one of its worst ...

Add Yahoo as a preferred source to see more of our stories on Google. One of the primary reasons influenza is spreading so rapidly in New Jersey and beyond is a mutated variant that was discovered ...

Since being sworn in as Health and Human Services (HHS) secretary, Robert F. Kennedy Jr has repeatedly tried to undermine public trust in vaccines. His agency recently took steps to slow down the ...

A long-running debate in vaccine design revolves around whether a vaccine should be optimized to prevent the virus from ...

Sickness is surging across the United States following the holiday season, bringing thermometers and medicine to homes amid presents and Christmas dinner leftovers. New York state especially has been ...

Vaccines have traditionally worked by teaching the immune system to recognize a specific virus or bacterium—in effect, showing it a wanted poster for a single suspect. But what if one vaccine could ...

A fear of needles can stop many children from getting a flu vaccine. But a new nasal spray will be available in 2026. Is your kid eligible?

Flu activity in Wisconsin is currently very high, yet vaccination rates have dropped by 10% since last year. Medical experts state the flu vaccine is safe, effective, and has been administered since ...

Amid an ongoing surge in hospitalizations and deaths owing to a sharp rise in influenza activity nationwide, Centers for Medicare and Medicaid Services administrator Mehmet Oz called the seasonal flu ...