Der Mangel an Komplementfaktor C2 ist eine autosomal rezessive Erkrankung, die durch reduzierte C2-Plasmaspiegel und eine erhöhte Infektanfälligkeit gekennzeichnet ist. Da ein C2-Defizit von sonst gesunden Menschen sehr gut kompensiert wird, ist bei einer erhöhten Infektanfälligkeit stets auch nach anderen Ursachen zu suchen.
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OMIM.ORG article Omim 217000
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