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Campylobacteriosis, 2007: DCN - Minnesota Dept. of Health

Campylobacteriosis, 2007

Campylobacter continues to be the most commonly reported bacterial enteric pathogen in Minnesota (Figure 2). There were 907 cases of culture-confirmed Campylobacter infections reported in 2007 (17.5 per 100,000 population). This is similar to the 899 cases reported in 2006 and to the median annual number of cases reported from 2001 to 2006 (median, 918 cases; range, 843 to 953). In 2007, 51% of cases occurred in people who resided in the metropolitan area. Of the 868 Campylobacter isolates confirmed and identified to species by MDH, 90% were C. jejuni and 8% were C. coli.

The median age of case-patients was 32 years (range, 1 month to 92 years). Forty-six percent of cases were between 20 and 49 years of age, and 14% were 5 years of age or younger. Fifty-seven percent of cases were male. Eleven percent of case-patients were hospitalized; the median length of hospitalization was 2 days. Forty-six percent of infections occurred during June through September. Of the 806 (89%) case-patients for whom data were available, 176 (22%) reported travel outside of the United States during the week prior to illness onset. The most common travel destinations were Central or South America or the Caribbean (n=44), Mexico (n=41), Europe (n=30), and Asia (n=22). There was one outbreak of campylobacteriosis identified in Minnesota in 2007; this was an outbreak of C. upsaliensis infections associated with contact with cats from a local humane society.

A primary feature of public health importance among Campylobacter cases was the continued presence of Campylobacter isolates resistant to fluoroquinolone antibiotics (e.g., ciprofloxacin), which are commonly used to treat campylobacteriosis. In 2007, the overall proportion of quinolone resistance among Campylobacter isolates tested was 23% (a slight increase from 2006). However, 64% of Campylobacter isolates from patients with a history of foreign travel during the week prior to illness onset, regardless of destination, were resistant to fluoroquinolones. Twelve percent of Campylobacter isolates from patients who acquired the infection domestically were resistant to fluoroquinolones.

Image of figure 2.

Updated Thursday, 13-Oct-2022 15:00:52 CDT