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Chlamydia rates were consistently significantly higher in the NWHU area than in Ontario as a whole from 2009 to 2013, and have been the highest of all health units in the province during this time. The average rate in Ontario during this period was 296.1 cases per 100,000 people; the average was more than double in the NWHU area at 794.2 cases per 100,000.
In the 5 years between 2009 and 2013, there were nearly 3,000 cases of chlamydia in the NWHU area.  Just over two-thirds of these cases were females, and almost half were in the 20-29 age group.
Chlamydia incidence rates, NWHU and Ontario, 2009-2013

Chlamydia case counts by sex, NWHU, 2009-2013

Source: iPHIS 2009-2013, extracted June 1, 2014
Chlamydia case counts by age group, NWHU, 2009-2013