19-49 years

Recommend for all persons in this category who meet the age requirement and lack evidence of immunity (lack documentation or no evidence of prior infection):

Tetanus, diphtheria (Td)                   
1-dose booster every 10 yrs

Measles, mumps, rubella (MMR)     
1 or 2 doses

Varicella
2 doses (0, 4-8 weeks)

Recommended if some other risk factor is present (eg. based on medical, occupational, lifestyle, or other indications):

Influenza
1 dose annually

Pneumococcal (polysaccharide)
1-2 doses

Hepatitis A
2 doses (1, 6-12 mos; or 0, 6-18 mos)

Hepatitis B
3 doses (0, 1-2, 4-6 mos)

Meningococcal
1 or more doses