Pneumococcal vaccines are subunit vaccines against the bacterium Streptococcus pneumoniae, used to prevent some cases of pneumonia, meningitis and sepsis, and given by injection into a muscle or just under the skin. There are two types, conjugate vaccines and polysaccharide vaccines, with the World Health Organization recommending the conjugate vaccine for routine childhood immunization, where three or four doses are between 71 and 93 percent effective against severe pneumococcal disease. Whole-cell vaccinations were developed alongside the characterization of pneumococcus subtypes from the early 1900s; the first tetravalent polysaccharide vaccine was developed in 1945, the current 23-valent polysaccharide vaccine in the 1980s, and the first heptavalent conjugate vaccine reached market in 2000. It is on the World Health Organization's List of Essential Medicines.
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Pneumococcal Vaccine
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Who is advised to get a pneumococcal vaccine?
The CDC recommends it for all children under 5, all adults 50 and older, and people in between with certain risk conditions.
The United States Centers for Disease Control and Prevention recommends pneumococcal vaccination based on age or on certain risk conditions. For children, that means all children younger than 5 years old, and children 5 through 18 years old with certain risk conditions. For adults, it means all adults 50 years or older, and adults 19 through 49 years old with certain risk conditions. Anyone with questions about their own history or the ingredients of a specific vaccine should talk to a vaccine provider.
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Source Pneumococcal vaccine (Wikipedia)
Source Pneumococcal vaccine (Wikipedia)
Source Pneumococcal vaccine (Wikipedia)
Sources
1. Wikipedia
Wikipedia contributors, Wikimedia Foundation
2. Pneumococcal vaccine (Wikipedia)
- First polysaccharide vaccine developed in 1945, article intro
https://en.wikipedia.org/wiki/Pneumococcal_vaccine, lead section
Pneumococcal vaccines are subunit vaccines against the bacterium Streptococcus pneumoniae.
Treats: Pneumonia, Lead: treats Pneumonia
Their use can prevent some cases of pneumonia, meningitis, and sepsis.
Treats: Meningitis, Lead: treats Meningitis
Their use can prevent some cases of pneumonia, meningitis, and sepsis.
Treats: Sepsis, Lead: treats Sepsis
Their use can prevent some cases of pneumonia, meningitis, and sepsis.
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