TABLE 2—

Advisory Committee on Immunization Practices–Recommended Immunizations for Adults Aged 50 Years and Older

Vaccination	Frequency	Age Considerations
Influenza	Annual	All adults
Pneumococcal	Once (or twice if adult has risk factors)	65 y (50 y if the adult has risk factors)
Tetanus–diphtheria booster	Once every 10 y	All adults
Varicella	2 doses as an adult	All adults
Zoster	1 dose	60 y if risk factors present
Measles, mumps, rubella	1 dose if risk factors present	50 y if risk factors present
Hepatitis A	2 doses if risk factors present	All adults with risk factors
Hepatitis B	3 doses if risk factors present	All adults with risk factors
Meningococcal	≥ 1 doses if risk factors present	All adults with risk factors

Source. Centers for Disease Control and Prevention.²²