CDC recommends that everyone 6 months of age and older get a flu vaccine each year. The flu vaccine is available beginning Sept. 17, 2018 at the Johnson County Department of Health and Environment’s (JCDHE) two walk-in health clinics (11875 S. Sunset Drive, Olathe or 6000 Lamar Ave., Mission). Cost is $30 for the flu vaccine. A High Dose flu vaccine that is formulated for those ages 65 and over is available at $50. JCDHE takes Blue Cross Blue Shield, Coventry, Cigna, and United Healthcare insurance.