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* Cause [[Intestines - disease due to pathogens|intestinal disease]]
* Cause [[Intestines - disease due to pathogens|intestinal disease]]
===Overview===
*Cause disease in animals and are important zoonoses
===Characteristics===
*Enterobacteria, but grow more slowly and at lower temperatures than other enterobacteria
*Non-lactose fermentors
*Facuiltative intracellular pathogens
===Pathogenesis===
*Invasive ''Yersinia'' grow inside macrophages
*Survive in phagolysosomes and do not interfere with degranulation or lysosomal fusion
*Resistant to macrophage killing mechanisms
*The bacteria destroy the macrophages in lymph nodes, liver and spleen, causing septicaemia
===Clnical infections===
===Diagnosis===
===Control===
===Treatment===