September 3, 2015
The U.S. flu season is getting worse. And U.S. health officials in Atlanta say it's partly because the flu vaccine doesn't match most of the circulating viruses.
Infections from an unexpected flu strain have been booming.
Scientists at the U.S. Centers for Disease Control and Prevention say the current vaccine is a good match for only about 40 percent of the spreading flu viruses.
This week, 44 states reported widespread flu activity, up from 31 last week.
(Copyright 2008 by The Associated Press. All Rights Reserved.)
Viewers with disabilities can get assistance accessing this station's FCC Public Inspection File by contacting the station with the information listed below. Questions or concerns relating to the accessibility of the FCC's online public file system should be directed to the FCC at 888-225-5322, 888-835-5322 (TTY), or firstname.lastname@example.org.