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What is In respiratory and GIT infections, which is the most affected immunoglulin - and explain in detail?
Immunoglobulin A is an antibody that plays a critical role in immune function in the mucous membranes. More IgA is produced in mucosal linings than all other types of antibody combined Ref: Ananthanarayan & Parker's textbook of microbiology 9th edition pg:97-98