Pneumococcal conjugate vaccine
The pneumococcal conjugate vaccine helps protect against bacteria that cause pneumococcal disease. Three pneumococcal conjugate vaccines exist (PCV13, PCV15, and PCV20). The different vaccines are recommended for different people based on age and medical status.
PCV13
Infants and young children usually need 4 doses of PCV13, at ages 2, 4, 6, and 12–15 months.
Older children (through age 59 months) may be vaccinated with PCV13 if they did not receive the recommended doses.
Children and adolescents 6–18 years of age with certain medical conditions should receive a single dose of PCV13 if they did not already receive PCV13.
PCV15 or PCV20
Adults 19 through 64 years old with certain medical conditions or other risk factors who have not already received a pneumococcal conjugate vaccine should receive either:
a single dose of PCV15 followed by a dose of pneumococcal polysaccharide vaccine (PPSV23), or
a single dose of PCV20.
Adults 65 years or older who have not already received a pneumococcal conjugate vaccine should receive either:
a single dose of PCV15 followed by a dose of PPSV23, or
a single dose of PCV20.
Your healthcare provider can give you more information.
Original source can be found here.