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Pneumococcal vaccines are vaccines against the bacterium Streptococcus pneumoniae. [1] Their use can prevent some cases of pneumonia, meningitis, and sepsis. [1] There are two types of pneumococcal vaccines: conjugate vaccines and polysaccharide vaccines. [1] They are given by injection either into a muscle or just under the skin. [1]
Prevnar vaccine. Prevnar 20 (PCV20) is the third version of a vaccine produced by the Wyeth subsidiary of Pfizer.In April 2023, the FDA approved Prevnar 20 for the prevention of invasive disease caused by the 20 different serotypes of S. pneumoniae contained in the vaccine (serotypes 1, 3, 4, 5, 6A, 6B, 7F, 8, 9V, 10A, 11A, 12F, 14, 15B, 18C, 19A, 19F, 22F, 23F, and 33F) for individuals 6 ...
Pneumococcal polysaccharide vaccine, sold under the brand name Pneumovax 23, is a pneumococcal vaccine that is used for the prevention of pneumococcal disease caused by the 23 serotypes of Streptococcus pneumoniae contained in the vaccine as capsular polysaccharides. [2] It is given by intramuscular or subcutaneous injection. [2]
Meaning Origin language and etymology Example(s) bacillus: rod-shaped Latin baculus, stick Bacillus anthracis: bacteri-Pertaining to bacteria: Latin bacterium; Greek βακτήριον (baktḗrion), small staff bacteriophage, bactericide: balan-of the glans penis or glans clitoridis: Greek βάλανος (bálanos), acorn, glans balanitis: bas-
Vaccines also help prevent the development of antibiotic resistance. For example, by greatly reducing the incidence of pneumonia caused by Streptococcus pneumoniae, vaccine programs have greatly reduced the prevalence of infections resistant to penicillin or other first-line antibiotics. [48]
Pneumonia fills the lung's alveoli with fluid, hindering oxygenation. The alveolus on the left is normal, whereas the one on the right is full of fluid from pneumonia. Pneumonia frequently starts as an upper respiratory tract infection that moves into the lower respiratory tract. [55] It is a type of pneumonitis (lung inflammation). [56]
CORRECTION: (Oct. 24, 2024, 3:34 p.m. ET) Because of an editing error, a previous version of this article misstated the recommended dose for the pneumonia vaccine. It is intended as a single dose ...
The introduction of the original, 7-valent version of the vaccine, developed by Wyeth in February 2000, led to a 75% reduction in the incidence of invasive pneumococcal infections among children under age 5 in the United States. Pfizer introduced an improved version of the vaccine in 2010, for which it was granted a patent in India in 2017.