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A conjugate vaccine is a type of subunit vaccine which combines a weak antigen with a strong antigen as a carrier so that the immune system has a stronger response to the weak antigen. Vaccines are used to prevent diseases by invoking an immune response to an antigen, part of a bacterium or virus that the immune system recognizes. [2]
Pneumococcal conjugate vaccine is a pneumococcal vaccine made with the conjugate vaccine method and used to protect infants, young children, and adults against disease caused by the bacterium Streptococcus pneumoniae (pneumococcus). It contains purified capsular polysaccharide of pneumococcal serotypes conjugated to a carrier protein to improve ...
The first meningococcal conjugate vaccine (MCV-4), Menactra, was licensed in the US in 2005, by Sanofi Pasteur; Menveo was licensed in 2010, by Novartis. Both MCV-4 vaccines are approved by the Food and Drug Administration (FDA) for people 2 through 55 years of age. Menactra received FDA approval for use in children as young as 9 months in ...
Pneumococcal vaccine. 23-valent pneumococcal polysaccharide vaccine by MSD as it is marketed in Japan. 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 ...
Hib vaccine. The Haemophilus influenzae type B vaccine, also known as Hib vaccine, is a vaccine used to prevent Haemophilus influenzae type b (Hib) infection. [2][3] In countries that include it as a routine vaccine, rates of severe Hib infections have decreased more than 90%. [2] It has therefore resulted in a decrease in the rate of ...
Subunit vaccine. A subunit vaccine is a vaccine that contains purified parts of the pathogen that are antigenic, or necessary to elicit a protective immune response. [1][2] Subunit vaccine can be made from dissembled viral particles in cell culture or recombinant DNA expression, [3] in which case it is a recombinant subunit vaccine.
Typhoid vaccines are vaccines that prevent typhoid fever. [1][2][3] Several types are widely available: typhoid conjugate vaccine (TCV), Ty21a (a live oral vaccine) and Vi capsular polysaccharide vaccine (ViPS) (an injectable subunit vaccine). They are about 30 to 70% effective in the first two years, depending on the specific vaccine in question.
e. A vaccine is a biological preparation that provides active acquired immunity to a particular infectious or malignant disease. [1][2] The safety and effectiveness of vaccines has been widely studied and verified. [3][4] A vaccine typically contains an agent that resembles a disease-causing microorganism and is often made from weakened or ...