This year's flu vaccine appears to be doing a unusually poor job of protecting the elderly, federal health officials reported Thursday.
Overall, this year's flu vaccine appears to be only about 27 percent effective for people ages 65 and older, the Centers for Disease Control and Prevention reports in this week's Morbidity and Mortality Weekly Report.
As the flu season grinds on from news cycle to news cycle, there's some flu news of a different sort. Federal regulators have approved a next-generation type of flu vaccine for the second time in two months.
The two new vaccines are the first fruits of a big government push to hasten and simplify the laborious production of flu vaccines.