Flu Season is Here Vaccinate Your Children Now. Nobody wants the flu. Don't let a high fever, sore throat, runny nose and body aches keep your children out of school and the activities they love. Contact your doctor or visit mo.gov to find a clinic near you. Missouri Department of Health and Senior Services Bureau of Immunization Assessment and Assurance 800.219.3224http://www.health.mo.gov http://www.mo.gov