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A 35 year old man comes to doctor because of recurrent infections. He has a history of infections with streptococcus pneumoniae thta have ocurred over the past 6 months. Laboratory studies show serum IgG levels of 900 mg/dL and decreased C3 levels. What organisms does this patient most likely also have an increased susceptibility to and why?

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The General Principles section of the USMLE covers these topics:
Biochemistry
Genetics
Microbiology
Pathology
Pharmacology


1. A 35 year old man comes to doctor because of recurrent infections. He has a history of infections with streptococcus pneumoniae thta have ocurred over the past 6 months. Laboratory studies show serum IgG levels of 900 mg/dL and decreased C3 levels. What organisms does this patient most likely also have an increased susceptibility to and why?





 
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