Tennessee ranked among the top states in a new map charting flu positivity rates across the country, has jumped week-to-week from 18% to 25%.
The Volunteer State ranked among the 14 states with the highest influenza activity, alongside neighboring Alabama and Georgia.
Widespread sickness has led to closures of some school systems across the state, including those in West Tennessee and Chattanooga.
Some schools, such as public schools in Hardin and McNairy counties, have closed until Monday to allow sanitation of buildings and for students and staff to recover.