Diphtheria Corynebacterium diphtheriae:Gram-positive rod Diphtheria membrane of fibrin,dead tissue,and bacteria Diphtheria toxin produced by lysogenized C. diphtheriae Prevented by DTaP and Td vaccine (Diphtheria toxoid) Cutaneous diphtheria:Infected skin wound leads to slow healing ulcer• Corynebacterium diphtheriae: Gram-positive rod • Diphtheria membrane of fibrin, dead tissue, and bacteria • Diphtheria toxin produced by lysogenized C. diphtheriae • Prevented by DTaP and Td vaccine (Diphtheria toxoid) • Cutaneous diphtheria: Infected skin wound leads to slow healing ulcer Diphtheria