St. Thomas Rutherford Hospital's Mobile Health Unit will offer flu shot clinics at three locations this week. From 8 a.m. to noon Wednesday, the unit will be at The Journey Home on West Castle Street. On Thursday, they'll be at Smyrna Middle School on Hazelwood Drive from 8 a.m to 12-noon and then at Greenhouse Ministries from 2 until 4:30pm. They're on Spring Street. Shots are free and available on a first come, first served basis for those age 3 and older. Parents or guardians must be present with children.