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Marshall, Katherine E. Heiman; Tewell, Mackenzie; Tecle, Selam; Leeper, Molly; Sinatra, Jennifer; Kissler, Bonnie; Fung, Adrienne; Brown, Kerri; Wagner, Darlene; Trees, Eija; Hise, Kelley B.; Chaturvedi, Vishnu; Schlater, Linda K.; Morningstar-Shaw, Brenda R.; Whitlock, Laura; Holt, Kristin; Becker, Karen; Nichols, Megin; Williams, Ian T.; Jhung, Michael; Wise, Matthew E.; Gieraltowski, Laura
MMWR. Morbidity and mortality weekly report, 04/2018, Volume: 67, Issue: 15Journal Article, Newsletter
In January 2017, CDC identified a cluster of Salmonella enterica serotype Newport infections with isolates sharing an indistinguishable pulsed-field gel electrophoresis (PFGE) pattern, JJPX01.0010 (pattern 10), through PulseNet, the national molecular subtyping network for foodborne disease surveillance. This report summarizes the investigation by CDC, state and local health and agriculture departments, and the U.S. Department of Agriculture's Food Safety and Inspection Service (USDA-FSIS) and discusses the possible role of dairy cows as a reservoir for strains of Salmonella that persistently cause human illness. This investigation combined epidemiologic and whole genome sequencing (WGS) data to link the outbreak to contaminated ground beef; dairy cows were hypothesized to be the ultimate source of Salmonella contamination.
