Thirty states are reporting high levels of flu-like illness, according to the Centers for Disease Control and Prevention. That number is a slight uptick from last week's report. All but two states are reporting widespread flu activity, according to the CDC. "Widespread" means that more than 50% of geographic regions in a state -- counties, for example -- are reporting flu activity. It addresses the spread of the flu, not its severity. The new report uses data collected by the CDC up through January 12. The overall number of people being treated in outpatient facilities appears to be going down, said Dr. Thomas Frieden, the CDC's director. However, in the West, where the flu season started later, the number of cases is…