Flu-like illness accounts for 0.5% of emergency department visits in Williamson, Bastrop, Burnet and 3 more counties for the week of September 20. Flu-like illness activity in Williamson, Bastrop, Burnet and 3 more counties is holding steady compared with recent weeks. The highest reading in the current data window is 0.5%.

Emergency department visits for influenza in your local area, from CDC surveillance data.