Skip to main content

Prevnar 20 vs Pneumovax 23: Which vaccine is right for you?

Medically reviewed by Melisa Puckey, BPharm. Last updated on Sep 23, 2024.

Official Answer by Drugs.com

Which pneumonia vaccine should I have?

Prevnar 20 can be used by patients 6 weeks and older, including patients 65 and older, whereas Pneumovax 23 is mainly used by patients 50 years and older. However, patients 2 years and older can use Pneumovax 23 if they have an increased risk for pneumococcal disease, it is not used in children younger than 2 years of age.

Prevnar 20 and Pneumovax 23 are different types of pneumococcal vaccinations, Pneumovax 23 is a pneumococcal polysaccharide vaccine, which means it contains a mixture of parts of the outer layer of the bacterial cells that induces an immune response against the subtypes of bacteria used. Prevnar 20 is a pneumococcal conjugate vaccine (PCV) that contains the polysaccharides of bacterial cells that have been added (conjugated) to another protein so that it has a better immune response than the polysaccharide alone. Other PCV are Capvaxive (21 Serotypes) and Vaxneuvance (15 serotypes).

As Pneumovax 23 is a pneumococcal polysaccharide vaccine, it is not used in children younger than 2 years of age as, generally, this age group has a poor antibody response to it.

Babies and children pneumococcal vaccination

CDC recommends a 4-dose PCV series (Prevnar 20 or Vaxneuvance), one dose at each of the following ages:

Adults 65 years or older pneumococcal vaccination

CDC Recommendation for Routine Vaccination

Administer Prevnar 20, Vaxneuvance or Capvaxive for all adults 65 years or older

CDC Additional vaccinations recommendations

Vaxneuvance: Additional vaccination needed

If Vaxneuvance (PCV15) is used, administer a dose of Pneumovax 23 one year later, if needed, then their pneumococcal vaccinations are complete.

The minimum interval is 8 weeks and can be considered in adults with:

Related questions

Prevnar 20 or Capvaxive: Additional vaccination not recommended

If Prevnar 20 or Capvaxive is used, a dose of Vaxneuvance isn't indicated. Regardless of which vaccine is used Prevnar 20 or Capvaxive, their pneumococcal vaccinations are complete.

Prevnar 20 Information

Type of Vaccine: pneumococcal conjugate vaccine

Number of Streptococcus pneumoniae serotypes : 20

FDA-approved vaccine used to prevent:

Doses:

Pneumovax 23 Information

Type of Vaccine: pneumococcal polysaccharide vaccine

Number of Streptococcus pneumoniae serotypes : 23

FDA-approved vaccine used to prevent:

Doses:

Name Abbreviations used for pneumococcal vaccines

PCV15 Vaxneuvance
PCV20 Prevnar 20
PCV21 Capvaxive
PPSV23 Pneumovax 23

References

CDC Pneumococcal Vaccine Recommendations [Accessed September 23, 2024] https://www.cdc.gov/pneumococcal/hcp/vaccine-recommendations/index.html

Prevnar 20 Package Insert https://www.drugs.com/pro/prevnar-20.html

Pneumovax 23 Package Insert https://www.drugs.com/pro/pneumovax-23.html

Read next

Can you have pneumonia without a cough?

Yes, you can have pneumonia without the telltale cough. While a cough that produces mucus and phlegm is a typical symptom of pneumonia, it is not a given. It is also possible to develop pneumonia without a fever. Continue reading

How long does it take to recover from pneumonia?

Recovery from pneumonia may take weeks or months depending on your age and the severity of the condition, as well as your underlying health status. Continue reading

COVID-19 vaccines and variants: What you should know

As of May 2025, the top 5 variants circulating in the U.S. are all lineages of the Omicron variant are: LP.8.1 (73%), XFC (10%), XEC (4%), LF.7.7.2 (3%), and LF.7 (2%), as estimated by the CDC on the COVID Data Tracker.

Continue reading

See also:

Related medical questions

Drug information

Related support groups