Influenza Vaccine Options • Flu shots (comes with a needle and injected in arm) • Nasal spray flu vaccine (Live Attenuated Influenza Vaccine (LAIV)) • Quadrivalent flu vaccine (provides protection against 4 influenza viruses) • Flu vaccination by jet injector (for people aged 18-64 years) • High-dose flu vaccine (for people older than 65 years) • Adjuvanted vaccine (for people older than 65 years) • Cell-based flu vaccines (grown in mammalian cells instead of a hen’s) • Recombinant flu vaccines (does not require egg-grown vaccine virus)