Chancroid and Granuloma Inguinale

Haemophilus ducreyiand Campylobacter granulomatisare fastidious, poorly understood, sexually transmitted pathogens. Chancroid has recently re-emerged as an important cause of genital ulcer disease in Western societies. Its ability to facilitate the transmission of HIV-1 should lead to additional efforts to understand and control this disease. Laboratory diagnosis involves culture; serologic methods are under investigation.