The Centers for Disease Control and Prevention has declared flu activity widespread in 43 of 50 states, including Tennessee.In an effort to guard against the flu, the Warren County Health Department is offering free flu vaccinations to area residents at its facility at 1401 Sparta Street. Free flu shots are available while supplies last.The free shots are being offered after flu activity has intensified. The Tennessee Department of Health reports six children have died from flu complications this flu season, including three in December.Dr. Don Arnold, a pediatric emergency room doctor at Vanderbilt University Medical Center, says there have been "hundreds and hundreds of cases of influenza in children this season."Doctors recommend washing hands and not touching eyes, hands and nose after interacting with those who may be sick.“Vaccination is the best protection against the flu and the Warren County Health Department, the Tennessee Department of Health, and the CDC recommend everyone 6 months and older get a flu vaccine every year,” said Andrea Fox, director of the Warren County Health Department.