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Prevnar 13 Uses

Why Is Prevnar 13 Used for Ear Infections?

Although, the main reason to use Prevnar 13 is to prevent IPD, it also is approved to prevent ear infections caused by S. pneumoniae. There are many different causes of ear infections, including viruses or bacteria other than S. pneumoniae; however, Prevnar 13's ability to protect against ear infections appears to be rather low. Therefore, the main benefit of the vaccine is the protection it provides against IPD.
 
This vaccine is approved for ear infections only in young children (under six years of age).
 

How Does Prevnar 13 Work?

Simply stated, the antigens in Prevnar 13 "trick" the body into thinking it has been exposed to pneumococcal bacteria. The body produces antibodies that help fight the bacteria if future exposure occurs.
 
A different pneumococcal vaccine (Pneumovax®) was available long before Prevnar 13 and is used to prevent pneumococcal disease in adults and children over two years of age. However, this vaccine does not work well in infants and toddlers, since their immune systems are too immature to respond adequately to the vaccine.
 
Prevnar 13 was developed specifically to allow the young immune systems of infants and toddlers to respond to the vaccine. The bacterial antigens in Prevnar 13 are bound, or "conjugated," to a nontoxic diphtheria protein; this change produces a much better immune response in young children.
 

Can Older Children Receive It?

Ideally, Prevnar 13 should be given during infancy and toddlerhood, when the risk of IPD is quite high. However, it is approved for use up through 17 years of age (any time before the eighteenth birthday).
 
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Prevnar 13 Vaccine Information

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