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Objective To trace the source of a foodborne disease outbreak caused by consuming smoked meat pancakes contaminated with Salmonella enteritidis. Methods Epidemiological investigations were carried out on 8 patients, samples of relevant environment, food and feces were collected, laboratory tests were carried out according to national standards. After bacteria enhancement, suspicious colonies were selected for biochemical identification, and the six strains of Salmonella detected underwent serum agglutination with standard diagnostic sera, drug sensitivity test and pulsed field gel electrophoresis. Result There were 8 cases of this incident, and out of the 6 samples, 6 strains of Salmonella enteritidis were isolated. The detection rates of Salmonella in the food, environmental samples, and cases feces were all 100%. The drug sensitivity test results showed that all strains were resistant to 6 drugs, and the drug resistance spectrum was CT-CTX - TET - CIP - AMP - AMS. They were sensitive to CHL, SXT, ETP, MEM, CAZ, CZA, TIG, AZM, and AMI. The PFGE bands of the 6 strains were consistent, with the homology of ${100}\%$ , and that showed the same clone. Conclusions This incident is a foodborne disease outbreak caused by consuming smoked meat pancakes contaminated with Salmonella enteritidis.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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