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Volume 14, Number 9—September 2008


Emergence and Spread of Chlamydia trachomatis Variant, Sweden

Björn HerrmannComments to Author , Anna Törner, Nicola Low, Markus Klint, Anders Nilsson, Inga Velicko, Thomas Söderblom, and Anders Blaxhult
Author affiliations: Uppsala University Hospital, Uppsala, Sweden (B. Herrmann, M. Klint, A. Nilsson); Swedish Institute for Infectious Disease Control, Solna, Sweden (A.Törner, I. Velicko, T. Söderblom, A. Blaxhult); University of Bern, Bern, Switzerland (N. Low);

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Table 1

Numbers of chlamydia tests, positive results, and change in positivity rates, Sweden, 2004–2006

Diagnostic test* No. counties No. positive results/total no. tests (%) in first 6 mo
2004 2005 2006
Abbott/Roche 14 11,721/150,080 (7.8) 11,111/147,311 (7.5) 10,236/152,960 (6.7)
Becton Dickinson 8 4,262/54,260 (7.9) 5,220/66,728 (7.8) 3,363/43,189 (7.8)
All tests 21 15,983/204,340 (7.8) 16,331/214,039 (7.6) 13,599/196,149 (6.9)

*One county used both Roche and Becton Dickinson tests.

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