CHLAMYDIAL INFECTION

(Chlamydia trachomatis)
including LYMPHOGRANULOMA VENEREUM (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 of the ano-genital tract or from the
conjunctiva
– Demonstration of Chlamydia trachomatis by DFA test in a clinical specimen
– Detection of Chlamydia trachomatis nucleic acid in a clinical specimen

LGV
At least one of the following two:
– Isolation of Chlamydia trachomatis from a specimen of the ano-genital tract or from the
conjunctiva
– Detection of Chlamydia trachomatis nucleic acid in a clinical specimen
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