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East Mediterr Health J. 1999 Jan;5(1):130-5.

Isolation of Yersinia enterocolitica from cases of acute appendicitis and ice-cream.

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Department of Food Hygiene, Veterinary College, Tripoli, Libyan Arab Jamahiriya.


Seventy (70) appendiceal specimens and 80 ice-cream samples were analysed to detect Yersinia enterocolitica using three different media. Both Y. enterocolitica and Citrobacter freundii were recovered in appendiceal specimens (17.1% and 8.6%) and ice-cream (26.25% and 18.75%) respectively. Thioglycollate medium was more selective and productive in isolating Yersinia. Y. enterocolitica was the major causative agent of acute appendicitis (11/25, 44%). It was sensitive to chloramphenicol, gentamicin, tetracycline and trimethoprim- sulfamethoxazole.

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