title: Increased susceptibility to severe pyogenic infections in patients with an inherited deficiency of the second component of complement.
mesh_terms: D000293:Adolescent; D003175:Complement C2 / Q000172:deficiency*; D003170:Complement Pathway, Alternative; D005260:Female; D006801:Humans; D007223:Infant; D013492:Suppuration / Q000209:etiology*
chemical_list: D003175:Complement C2