Polysaccharide antigens are:
Correct Answer: T cell independent antigens
Description: Ans. (a)For proteins and erythrocytes - T cell dependent antigens.For polysaccharides - T cell independent antigens.Protein antigens eliminated in days to weeks whereas polysaccharide antigens persist for months to years e.g., pneumococcal polysaccharide may persist upto 20 years in humans following a single injection.
Category:
Microbiology
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