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