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Microbiology
A 3-year-old male child is brought by his father with complaint of recurrent infections despite proper treatment and hygiene. While reviewing his history, pediatrician notices that the child has been infected multiple times with S. aureus, Pseudomonas & E. coli. Which of the following test will be useful to diagnose condition of the child?
Negative nitroblue-tetrazolium test
Positive nitroblue-tetrazolium test
Increased IgM, Decreased IgG, IgA, and IgE
Increased IgE and IgA, Decreased IgM
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