Chancroid, also known as bubo due to haemophilus ducreyi, is related to lymphogranuloma venereum and granuloma inguinale. An important gene associated with Chancroid is CDB2 (Corneal Dystrophy Of Bowman Layer Type II (Thiel-Behnke)), and among its related pathways/superpathways are Signal Transduction and GPCR downstream signalling. Affiliated tissues include skin and t cells.