Pneumococcal [noo-muh-KOK-uhl] disease is caused by a bacterium known as Streptococcus pneumoniae, or pneumococcus. Pneumococcal infections can range from ear and sinus infections to pneumonia and bloodstream infections. Children younger than 2 years old are among those most at risk for disease. There are vaccines to prevent pneumococcal disease in children and adults.
NEW! Adults 65 years or older are now recommended 2 pneumococcal vaccines. Learn more.
- Pneumococcal Vaccines
Pneumococcal vaccines are very good at preventing severe disease and hospitalization.
- Vaccine Information Statements
These one-page CDC vaccine information statements explain who should get pneumococcal vaccines and when.
- Pneumococcal Vaccine Basics
Get comprehensive information about pneumococcal vaccines and other educational tools.
- Vaccine Safety
As with all vaccines, there can be minor reactions, including pain and redness at the injection site, headache, fatigue or discomfort, after pneumococcal vaccination.
- Pneumococcal Vaccine Recommendations
View recommendations of the Advisory Committee on Immunization Practices (ACIP).
Risks and How It Spreads
- Anyone can get pneumococcal disease, but some people are at greater risk for disease than others.
- Pneumococcal bacteria spread from person-to-person by direct contact with respiratory secretions, like saliva or mucus.
- Page last reviewed: June 10, 2015
- Page last updated: June 10, 2015
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