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molecular epidemiology and cluster analysis of human listeriosis cases in three u.s. states.to better understand the transmission and epidemiology of human listeriosis, 647 listeria monocytogenes isolates obtained from human listeriosis cases in four u.s. locations (michigan, ohio, new york state, and new york city) over 61 months (1998 to 2003) were characterized by automated ecori ribotyping. a total of 65 ribotypes were differentiated among the characterized isolates; 393, 227, and 24 isolates were classified into lineages i, ii, and iii, respectively, and 3 isolates were not classi ...200616865904
multistate outbreak of listeriosis--united states, 2000.since may 2000, 29 illnesses caused by a strain of listeria monocytogenes (lm) have been identified in 10 states: new york (15 cases); georgia (three); connecticut, ohio, and michigan (two each); and california, pennsylvania, tennessee, utah, and wisconsin (one each). dates of lm isolation ranged from may 17 through november 26 with 26 (90%) infections occurring since july 15. when subtyped, the lm isolates from these cases were indistinguishable by pulsed-field gel electrophoresis (pulsenet pat ...200011190115
differences in listeria monocytogenes contamination of rural ohio residences with and without livestock.to determine the contribution of on-site livestock to the environmental contamination of rural households with listeria monocytogenes, a total of 1779 environmental and food samples were collected from 26 ruminant-farm households and 26 rural households in ohio. l. monocytogenes isolates were identified and differentiated using sequence comparisons of the intragenic regions of inlb and inlc. l. monocytogenes was isolated from shoes, 9.6% (20/208); utility gloves, 5.4% (6/111); kitchen sinks, 1.5 ...201019735200
multistate outbreak of listeriosis--united states, 1998.since early august 1998, 40 illnesses caused by a single strain of listeria monocytogenes (lm) have been identified in 10 states: ohio (13 cases); new york; tennessee, massachusetts, and west virginia (three each); michigan (two); and connecticut, oregon, vermont, and georgia (one each). dates of illness onset or lm isolation ranged from august 2 through december 2. all lm isolates from these cases are serotype 4b and share an unusual pattern when subtyped either by pulsed-field gel electrophore ...19989883769
notes from the field: multistate outbreak of listeriosis linked to soft-ripened cheese--united states, 2013.on june 27, 2013, the minnesota department of health notified cdc of two patients with invasive listeria monocytogenes infections (listeriosis) whose clinical isolates had indistinguishable pulsed-field gel electrophoresis (pfge) patterns. a query of pulsenet, the national molecular subtyping network for foodborne disease surveillance, identified clinical and environmental isolates from other states. on june 28, cdc learned from the food and drug administration's coordinated outbreak response an ...201424699767
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