 The St. Christopher Truckers Relief Fund offers free flu, pneumonia, and shingles vaccine vouchers for all uninsured over-the-road truck drivers with a current Class A CDL. Vaccine vouchers can be used at any Walgreens or Kroger store. A copy of your Class A CDL is required. Updates every hour. Breaking news as it happens. Where the Upper Cumberland Talks. Where the Upper Cumberland Talks. Newstalk 94.1.org.