[Homozygous C7 defect in a German family].


An 11 year old boy with recurrent meningitis/sepsis (once without positive bacterial culture, once with demonstration of Neisseria meningitidis in blood) was evaluated for suspected immunodeficiency. Absent activity of both the classical and alternative pathway of complement suggested a defect of the membrane attack complex. Immunochemical and functional… (More)


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