A child present with recurrent episodes of sinopulmonary infection by bacteria with polysachride rich capsule. Deficiency of which of the following immunoglobulin subclasses should be specifically investigated –
Correct Answer: IgA + IgG2
Description: The patients with IgA deficiency have a tendency to develop recurrent sinopulmonary infections, gastrointestinal infections and disorders, allergies, autoimmune conditions, and malignancies. The IgG2 subclass contains antibodies against the polysaccharide coating of ceain disease-producing bacteria that can cause ear and sinus infections, pneumonia, blood infections and meningitis. Ref: Ananthanarayan & Panikers textbook of microbiology 9th edition pg.no. : 172,173
Category:
Microbiology
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