1.

In a 5 year old boy who has history of pyogenic by bacteria with polysaccharide-rich capsules, which of the following investigation should be done ?

A. IgA deficiency
B. IgG1 deficiency
C. IgG2 deficiency
D. IgA and IgG2 deficiency
Answer» D. IgA and IgG2 deficiency


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