disease has infectious agent pseudomembranous conjunctivitis diphtheria pseudomembranous diphtheritic conjunctivitis GARD:0025259 Pseudomembranous colitis resulting from infection by Corynebacterium diphtheriae. NCIT:C34543 MONDO:0020843 MEDGEN:3856 UMLS:C0012554 Conjunctival diphtheria pseudomembranous diphtheritic conjunctivitis SCTID:7773002 conjunctival diphtheria ICD9:032.81 Corynebacterium diphtheriae