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outbreak of salmonella serotype anatum infection associated with unpasteurized orange juice.in march 1999, a patient was infected with salmonella serotype anatum after having consumed unpasteurized orange juice from a manufacturer in florida. we conducted a cohort study among customers of the manufacturer, performed pulsed-field gel electrophoresis (pfge) on isolates, and inspected the manufacturing plant. surveillance data identified three additional patients infected with salmonella anatum showing indistinguishable or closely related pfge patterns. three of the four patients had cons ...200111811854
outbreak of salmonella serotype hartford infections associated with unpasteurized orange juice.acidic foods such as orange juice have been thought to be unlikely vehicles of foodborne illness.19989809731
molecular typing and resistance analysis of travel-associated salmonella enterica serotype typhi.salmonella enterica serotype typhi is a human pathogen causing 12 to 30% mortality and requiring antibiotic therapy to control the severity of the infection. typhoid fever in united states is often associated with foreign travel to areas of endemicity. increasing resistance to multiple drugs, including quinolones, is associated with decreased susceptibility to ciprofloxacin (dcs). we investigated 31 clinical strains isolated in florida from 2007 to 2010, associated with travel to six countries, ...201222649021
diversity of salmonella isolates from central florida surface waters.identification of salmonella serotypes is important for understanding the environmental diversity of the genus salmonella. this study evaluates the diversity of salmonella isolates recovered from 165 of 202 central florida surface water samples and investigates whether the serotype of the environmental salmonella isolates can be predicted by a previously published multiplex pcr assay (s. kim, j. g. frye, j. hu, p. j. fedorka-cray, r. gautom, and d. s. boyle, j. clin. microbiol. 44:3608-3615, 200 ...201425172861
outbreak of healthcare-associated infection and colonization with multidrug-resistant salmonella enterica serovar senftenberg in florida.in july 1999, a rare strain of multidrug-resistant salmonella enterica serovar senftenberg was isolated from the sputum of a trauma patient. over a 6-year period (1999-2005) in northeast florida, this salmonella serovar spread to 66 other patients in 16 different healthcare facilities as a result of frequent transfers of patients among institutions. to our knowledge, this is the first outbreak of healthcare-associated infection and colonization with a fluoroquinolone-resistant strain of s. senft ...200717564982
salmonella newport and typhimurium colonization of fruit differs from leaves in various tomato cultivars.several outbreaks of salmonella enterica infections have been linked to tomatoes. one cost-effective way to complement on-farm preventive good agricultural practices is to identify cultivars with inherent decreased susceptibility to salmonella colonization. fruit and leaves of 13 tomato cultivars with distinct phenotypes were screened to evaluate their susceptibility to salmonella epiphytic colonization. field-grown fruit or gnotobiotically grown seedling leaves were spot inoculated in replicate ...201425364916
distributions of salmonella subtypes differ between two u.s. produce-growing regions.salmonella accounts for approximately 50% of produce-associated outbreaks in the united states, several of which have been traced back to contamination in the produce production environment. to quantify salmonella diversity and aid in identification of salmonella contamination sources, we characterized salmonella isolates from two geographically diverse produce-growing regions in the united states. initially, we characterized the salmonella serotype and subtype diversity associated with 1,677 sa ...201424747908
distribution and characterization of salmonella enterica isolates from irrigation ponds in the southeastern united states.irrigation water has been implicated as a likely source of produce contamination by salmonella enterica. therefore, the distribution of s. enterica was surveyed monthly in irrigation ponds (n = 10) located within a prime agricultural region in southern georgia and northern florida. all ponds and 28.2% of all samples (n = 635) were positive for salmonella, with an overall geometric mean concentration (0.26 most probable number [mpn]/liter) that was relatively low compared to prior reports for riv ...201525911476
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