In a recent development, a new flu vaccine has been approved for use in older adults. Adults 50 to 64 are authorized to receive this vaccine. Further approval was given for those 65 and older, allowing for broader use.

The vaccine's effectiveness was compared to standard flu shots in a study involving over 40,000 adults. Details about the vaccine, including its price, are not immediately available. For more information, readers can refer to the original report.