Chlamydia trachomatis infection (genital) (Chlamydia trachomatis) Including Lymphogranuloma venerum (LGV)

Clinical criteria
Any person with at least one of the following clinical forms:

Chlamydial infection non-LGV
At least one of the following six:
- Urethritis
- Epididymitis
- Acute salpingitis
- Acute endometritis
- Cervicitis
- Proctitis
In newborn children at least one of the following two:
- Conjunctivitis
- Pneumonia

LGV
At least one of the following five:
- Urethritis
- Genital ulcer
- Inguinal lymphadenopathy
- Cervicitis
- Proctitis

Laboratory criteria
Chlamydial infection non-LGV
At least one of the following three:
- Isolation of Chlamydia trachomatis from a specimen taken from the ano-genital tract or, if a neonate, taken from the conjunctiva
- Demonstration of Chlamydia trachomatis by DFA test in a clinical specimen taken from the ano-genital tract
- Detection of Chlamydia trachomatis nucleic acid in a clinical specimen taken from the ano-genital tract

LGV
At least one of the following two:
- Isolation of Chlamydia trachomatis from a specimen taken from the ano-genital tract or, if a neonate, taken from the conjunctiva
- Detection of Chlamydia trachomatis nucleic acid in a clinical specimen taken from the ano-genital tract
AND
- Identification of serovar (genovar) L1, L2 or L3

Epidemiological criteria
An epidemiological link by human to human transmission (sexual contact or vertical transmission)

Case classification
A. Possible case
NA
B. Probable case
Any person meeting the clinical criteria and with an epidemiological link
C. Confirmed case
Any person meeting the laboratory criteria

Current as of: 28 May 2018