The 20th Medical Group at Shaw Air Force Base is offering flu vaccinations to all enrolled TRICARE Prime beneficiaries. They have received shipments of both the flu shot and the nasal spray flu vaccine. High risk groups like young children, pregnant women, and those with medical conditions should get vaccinated without delay. The immunization clinic hours are listed. Washing hands and practicing good hygiene also helps prevent flu. Both the flu shot and nasal spray vaccine are available to beneficiaries at the Shaw Clinic.