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Am J Public Health. 1998 Oct;88(10):1496-502.

The evolving epidemiology of chlamydial and gonococcal infections in response to control programs in Winnipeg, Canada.

Author information

1
Epidemiology Unit, University of Manitoba, Winnipeg, Canada. jamieb@gov.mb.ca

Abstract

OBJECTIVES:

The purpose of this study was to describe and compare the transmission dynamics of chlamydia and gonorrhea in Winnipeg, Manitoba, Canada, and to assess implications for control programs.

METHODS:

Chlamydia and gonorrhea surveillance case reports (1988 through 1995) and contact-tracing reports (1991 through 1995) were examined.

RESULTS:

High incidence rates of both chlamydia and gonorrhea clustered in geographic core areas characterized by low socioeconomic status. A decline in the number of reported cases of chlamydia (61%) and gonorrhea (64%) occurred between 1988 and 1995. For chlamydia, the decline was most prominent in non-core area cases, while for gonorrhea it was similar in core and non-core areas.

CONCLUSIONS:

Chlamydia and gonorrhea appear to be evolving through different epidemic phases, with chlamydia transmission, in response to a newly introduced control program, becoming more core dependent and gonorrhea transmission becoming more sporadic in the face of a sustained control effort. Focused control programs, based on an understanding of the transmission dynamics of chlamydia and gonorrhea, may make their elimination a feasible goal.

PMID:
9772851
PMCID:
PMC1508465
DOI:
10.2105/ajph.88.10.1496
[Indexed for MEDLINE]
Free PMC Article

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