Term Name:	complement component 5 deficiency
Synonyms:	C5 deficiency
Definition:	A complement deficiency that is characterized by susceptibility to recurrent bacterial infections especially to infections of enveloped organisms, and has_material_basis_in mutation in the complement component 5 (C5) gene on chromosome 9q33.2 that encodes the fifth component of complenent, a part of the innate immune system.
Ontology:	Human Disease [DOID:8158]   ( DOID:8158 )