Decline of the new Swedish variant of Chlamydia trachomatis after introduction of appropriate testing.

Persson, Kenneth (author): Lund University,Lunds universitet,Klinisk mikrobiologi, Malmö,Forskargrupper vid Lunds universitet,Clinical Microbiology, Malmö,Lund University Research Groups

Hammas, Berit (author): Lund University,Lunds universitet,Klinisk mikrobiologi, Malmö,Forskargrupper vid Lunds universitet,Clinical Microbiology, Malmö,Lund University Research Groups

Janson, Håkan (author): Lund University,Lunds universitet,Klinisk mikrobiologi, Malmö,Forskargrupper vid Lunds universitet,Clinical Microbiology, Malmö,Lund University Research Groups

Bjartling, Carina (author): Lund University,Lunds universitet,Urogynekologi och reproduktionsfarmakologi,Forskargrupper vid Lunds universitet,Urogynaecology and Reproductive Pharmacology,Lund University Research Groups

Dillner, Joakim (author): Karolinska Institutet,Lund University,Lunds universitet,Klinisk mikrobiologi, Malmö,Forskargrupper vid Lunds universitet,Clinical Microbiology, Malmö,Lund University Research Groups

Dillner, Lena (author): Karolinska Institutet,Lund University,Lunds universitet,Klinisk mikrobiologi, Malmö,Forskargrupper vid Lunds universitet,Clinical Microbiology, Malmö,Lund University Research Groups

(creator_code:org_t)

2012-04-27
2012
English.
In: Sexually Transmitted Infections. - : BMJ. - 1368-4973 .- 1472-3263. ; 88:6, s. 81-451

Related links:: http://www.ncbi.nlm....; show more...; http://dx.doi.org/10...; https://lup.lub.lu.s...; https://doi.org/10.1...; http://kipublication...; show less...

Abstract Subject headings

Objective: The longitudinal epidemiological development of the new variant of Chlamydia trachomatis was studied after appropriate testing procedures had been introduced when the strain was detected in 2006. Methods: The number of cases of the new variant of C trachomatis was followed from 2007 through 2011 from the laboratory records. Testing for C trachomatis is centralised to one laboratory with around 80-85 000 persons being tested annually in a population of 1.1 million. Results: During the 5-year period, 410 973 patients were tested of which 25 723 cases were positive. The proportion of the new variant of all positive cases declined from 30% in 2007 to 6% in 2011. While the number of the new variant of C trachomatis declined, the ordinary wild-type strains remained largely unchanged. Conclusions: A selective decline of the new variant of C trachomatis has occurred after appropriate laboratory testing was introduced. A new balance point between 5% and 10% for the new variant seems to be gradually approached.

By the author/editor: Persson, Kenneth; Hammas, Berit; Janson, Håkan; Bjartling, Carin ...; Dillner, Joakim; Dillner, Lena

About the subject

MEDICAL AND HEALTH SCIENCES: MEDICAL AND HEAL ...; and Clinical Medicin ...; and Dermatology and ...

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