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Improved contact tracing for Chlamydia trachomatis with experienced tracers, interviewing for one year back in time and by phone in remote areas.
  1. Helena Carré (helena_carre{at}hotmail.com)
  1. Dept of Public Health and Clinical Medicine /Dermatology and Venereology, University Hospital, Umeå, Sweden
    1. Jens Boman (jens.boman{at}vll.se)
    1. Medical Biosciences/Virology, university Hospital, Umeå, Sweden
      1. Anders Österlund (anders.osterlund{at}nll.se)
      1. Communicable Disease and Prevention and Control, Sunderby Hospital, Luleå, Sweden
        1. Bodil Gärdén (bodil.garden{at}his.se)
        1. University of Skövde, Skövde, Sweden
          1. Elisabet Nylander (elisabet.nylander{at}dermven.umu.se)
          1. Dept of Public Health and Clinical Medicine/Dermatology and Venereology, University Hospital, Umeå, Sweden

            Abstract

            Objectives: To evaluate the Swedish model for contact tracing and especially the "Västerbotten model" with centralised, extended contact interview periods, sometimes by telephone.

            Methods: Using questionnaires, the contact tracing and interview procedure was evaluated during 2002, followed by an evaluation of contact interviewing by phone in 2005-06.

            Results: Patients with diagnosed Chlamydia trachomatis (CT) infection reported on average 2.5 sexual contacts, 3.0 contacts when contact interviewing was performed at the clinic, and 2.3 contacts when performed by phone. 65% of the sexual contacts with a known test result were infected.

            Conclusion: Centralised contact tracing, exploring the sexual history for at least 12 months back in time, shows good results. Combined with screening of certain risk groups it is probably one effective way of preventing CT infections. Preventing CT by primary prevention such as information and counselling is, however, still of great importance.

            • Chlamydia trachomatis
            • contact tracing
            • partner notification
            • telephone

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