Influenza (Flu) Vaccines: Flu vaccines have a fee of $40 for standard dose and $75 for high dose. Exact cash, check, Medicare Part B*, Humana Medicare Advantage*, and United Healthcare Medicare Advantage* accepted. *We can only accept Medicare plans issued by Wisconsin, Illinois, and Minnesota. The flu vaccine is free for children ages 6 months to 18 years who are on BadgerCare, have no insurance/insurance that doesn't cover vaccines, or are Native American or Alaskan Native.