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Also, what is the difference between IgG and IgA?

April 26, 2017IGA IgG

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Also, what is the difference between IgG and IgA?

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A. IgG forms the main antibody component (80%) of blood. It also can cross the placenta. IgA is the main secreted antibody. It can be found in breast milk, saliva, tears, and secretions into the repiratory, intestinal and urogenital tract.