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Canada cites antibiotic-resistant salmonella as ‘growing concern’
Story Date: 6/11/2013
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Source: Lisa M. Keefe, MEATINGPLACE, 6/10/13
Salmonella species still rarely exhibit antibiotic resistance, but it’s a “growing concern” that should be monitored, says a new study by the Public Health Agency of Canada published in the June 2013 edition of Emerging Infection Diseases.
The study also notes that resistant strains are apparently being brought back to Canada by residents that have traveled to Africa, rather than emanating from domestic foods.
Canadian health officials collected between 2003 and 2009 a total of 76 samples of Salmonella Kentucky from ill people who sought medical treatment. Of those samples, 23 (or 30 percent) were resistant to ciprofloxacin. Those 23 Salmonella Kentucky isolates represented 66 percent of the 35 ciprofloxacin-resistant strains of salmonella analyzed over those six years.
During that period health labs conducted susceptibility testing on 21,426 nontyphoidal salmonella isolates. Ciproflaxin resistance overall was dound in just 0.16 percent of samples.
Researchers tracked down the travel histories of 11 of the 23 cases of resistant salmonella, and each of them had traveled to an African country within a week of getting sick.
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