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  • Conditions where Contact Tracing is Recommended:
  • Lymphogranuloma Venereum (LGV)


Causative organism Chlamydia trachomatis serovars L1-L3
Incubation period 3-30 days
How far back to trace 3 months
Usual testing method Nucleic acid amplification testing of swab from anus, genital ulcer or bubo aspirate, confirmed by genotyping at a reference laboratory
Common symptoms Proctitis is common among men who have sex with men (MSM) with rectal LGV. Genital ulceration and inguinal buboes are seen less commonly.
Likelihood of transmission per act of unprotected intercourse Unknown
Likelihood of long-term sexual partner being infected Unknown
Protective effect of condoms Probably high
Transmission by oral sex Probably rare
Duration of potential infectivity Weeks to months, possibly years
Important sequelae Inguinal abscess, likely enhanced transmission of HIV.
Direct benefit of detection and treatment of contact Cure
Usual management of contacts

Chlamydia/LGV testing: urine, pharyngeal and anal swab for MSM; cervical swab for women; test any genital ulcer or bubo aspirate. Alert the laboratory to the possibility of LGV so additional testing is performed on chlamydia positive specimens to identify LGV.

Treat contacts presumptively

Contact tracing priority High as the number of LGV cases reported in Australasia has been limited
Notification Notifiable by laboratories in some Australian states and territories; not notifiable in New Zealand