ATLANTA — This year's influenza virus is beginning its prominence in the South, as Alabama, Louisiana, Mississippi and Texas reported high influenza-like illness activity, the Centers for Disease Control and Prevention reported Friday.
Oklahoma reported moderate ILI activity.
For those who got a flu shot this year, so far they appear to be well protected.
CDC has antigenically characterized 317 influenza viruses, including 265 2009 H1N1 viruses, 46 influenza A (H3N2) viruses and 6 influenza B viruses since Oct. 1.