Mackinac Straits Health System will offer flu shot clinics Tuesday, October 6, Wednesday, October 7, and Wednesday, October 21, from 8:30 a.m. to 5:30 p.m. in the Primary Care office.

The immunizations are $25 for adults ages 18 and older. Medicare, Blue Cross, and Medicaid will be billed. The clinics are open to everyone. For an appointment, call 643-0400.