September 10, 2013

Researchers track farm-to-fork spread of Salmonella

Researchers at Penn State University said they have developed a method for identifying and tracking strains of antibiotic resistant Salmonella as they evolve and spread. Michael DiMarzio and Edward Dudley focused their work on Salmonella enterica serological variant Typhimurium, which accounts for at least 15 percent of clinically reported salmonellosis infections in humans. DiMarzio found that several subtypes of Salmonella Typhimurium showed up repeatedly in the frozen collection of Salmonella samples taken from cows, pigs and chickens in Penn State’s Animal Diagnostic Laboratory. The researchers looked at 84 unique Salmonella Typhimurium isolates collected from 2008 to 2011. Read More

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