In China, authorities are stepping up efforts to contain the spread of a new strain of bird flu, which has killed six people across that country. It is the first time this particular virus, called H7N9, has been detected in humans. For more, Dr. Thomas Frieden joins us. He is the director of the U.S. Centers for Disease Control and Prevention. He joins us on the line from his office in Atlanta, Georgia. Welcome to the program.
This year's flu vaccine looks like it's not doing much to protect older people. New numbers in the Centers for Disease Control and Prevention indicate that the vaccine has only been effective about a quarter of the time for people 65 and older. NPR's Rob Stein joins me to explain what that means. And Rob, tell us more about these numbers coming from the CDC.
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.