Health Officials Mix Flu Vaccine to Fight Fall Strains

by Richard Knox, NPR

Federal health officials are announcing the makeup of the flu vaccine for fall 2008. They are changing all three of the vaccine components — based on a prediction that U.S. residents will be exposed to flu strains that currently are active in Southern Hemisphere countries. Changing all three of the components is something that almost never happens.

Broadcast Dates

• All Things Considered, February 21, 2008