The contribution of oral sex to male urethral Neisseria gonorrhoeae infections in Tel-Aviv district, Israel.

The incidence of Neisseria gonorrhoeae (NG) in Tel-Aviv district, Israel has increased since the mid-1990s. This study aimed to address behavioural attributes and identify the sources of NG infection. Of 1234 NG cases in men reported between 2000 and 2004, 379 (31%) were interviewed. Most were single, heterosexual and Israeli-born. Insertive oral sex (OS) was reported by 77% patients and vaginal intercourse by 69%, where condoms were used by 4% and 40% for these practices, respectively. Unprotected OS was performed by 95% of the 151 men involved in protected vaginal sex. OS was the most common practice among the younger age group, and in sexual contacts with casual partners or commercial sex workers (CSWs): behaviours that were reported by 37% and 36% of patients, respectively. Unprotected OS is a common route for NG transmission, and it is suggested that the rise in NG may be attributed to unprotected OS with casual partners or CSWs.