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Chlamydia Trachomatis, Genital Infections
1996 Case Definition

Chlamydia Trachomatis, Genital Infections
1996 Case Definition
NOTE: A surveillance case definition is a set of uniform criteria used to define a disease for public health surveillance. Surveillance case definitions enable public health officials to classify and count cases consistently across reporting jurisdictions. Surveillance case definitions are not intended to be used by healthcare providers for making a clinical diagnosis or determining how to meet an individual patient’s health needs.

Clinical Description

Infection with Chlamydia trachomatis may result in urethritis, epididymitis, cervicitis, acute salpingitis, or other syndromes when sexually transmitted; however, the infection is often asymptomatic in women. Perinatal infections may result in inclusion conjunctivitis and pneumonia in newborns. Other syndromes caused by C. trachomatis include lymphogranuloma venereum (see Lymphogranuloma venereum) and trachoma.

Laboratory Criteria For Diagnosis

  • Isolation of C. trachomatis by culture, OR
  • Demonstration of C. trachomatis in a clinical specimen by detection of antigen or nucleic acid

Case Classification

Confirmed

A case that is laboratory confirmed

Related Case Definition(s)

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Office of Public Health Data, Surveillance, and Technology

National Notifiable Diseases Surveillance System (NNDSS)

NNDSS receives and shares case data from state, local, and territorial health departments to help public health monitor, control, and prevent serious diseases.

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