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Pneumococcal Polysaccharide Vaccine

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What is Pneumococcal disease?   Return to top

Pneumococcal disease is caused by Streptococcus pneumoniae bacteria. It is a leading cause of vaccine-preventable illness and death in the United States. Anyone can get pneumococcal disease, but some people are at greater risk than others:

Pneumococcal disease can lead to serious infections of the:

Pneumococcal pneumonia kills about 1 out of 20 people who get it. Bacteremia kills about 1 person in 5, and meningitis about 3 people in 10.

People with the health problems described below may be more likely to die from the disease.

Pneumococcal polysaccharide vaccine (PPSV)   Return to top

Treatment of pneumococcal infections with penicillin and other drugs used to be more effective. But some strains of the disease have become resistant to these drugs. This makes prevention of the disease, through vaccination, even more important.

Pneumococcal polysaccharide vaccine (PPSV) protects against 23 types of pneumococcal bacteria, including those most likely to cause serious disease.

Most healthy adults who get the vaccine develop protection to most or all of these types within 2 to 3 weeks of getting the shot. Very old people, children under 2 years of age, and people with some long-term illnesses might not respond as well, or at all.

Another type of pneumococcal vaccine (pneumococcal conjugate vaccine, or PCV) is routinely recommended for children younger than 5 years of age. PCV is described in a separate monograph.

Who should get PPSV?   Return to top

PPSV may be less effective for some people, especially those with lower resistance to infection. But these people should still be vaccinated, because they are more likely to have serious complications if they get pneumococcal disease.

Children who often get ear infections, sinus infections, or other upper respiratory diseases, but who are otherwise healthy, do not need to get PPSV because it is not effective against those conditions.

How many doses of PPSV are needed, and when?   Return to top

Usually one dose of PPSV is all that is needed. However, under some circumstances a second dose may be given.

A second dose is recommended for people 65 years and older who got their first dose when they were younger than 65 and it has been 5 or more years since the first dose.

A second dose is recommended for people 2 through 64 years of age who:

When a second dose is given, it should be given 5 years after the first dose.

Some people should not get PPSV or should wait   Return to top

What are the risks from PPSV?   Return to top

About half of those who get the vaccine have very mild side effects, such as redness or pain where the shot is given. Less than 1% develop a fever, muscle aches, or more severe local reactions.

A vaccine, like any medicine, could cause a serious reaction. But the risk of a vaccine causing serious harm, or death, is extremely small.

What if there is a severe reaction?   Return to top

What should I look for?

What should I do?

How can I learn more?   Return to top

Pneumococcal Polysaccharide Vaccine Information Statement. U.S. Department of Health and Human Services/Centers for Disease Control and Prevention National Immunization Program. 4/16/09.

Brand names of combination products   Return to top

  • Pneumovax® 23

Other names   Return to top

  • PPV23

Last Revised - 05/01/2009


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