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ATCC Merck Pneumococcal polysaccharide powder Type 20 (d20) 2mg
Supplier: ATCC 65X
Purified pneumococcal polysaccharides are manufactured by Merck & Company for small-quantity distribution by ATCC. The pneumococcal powders include those types which are components of the current 23-valent vaccine against Streptococcus pneumoniae. Each of the polysaccharide antigens used in the polyvalent vaccine is extracted and purified separately. These vaccine products can be used to assay for type-specific antibodies, research immune responses and study immunodeficiencies.
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