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**Acute septicaemia
**Acute septicaemia
**Causes a polyserositis - pericarditis, [[Peritoneal cavity - inflammatory#Peritonitis|peritonitis]], pleurisy and meningitis - in pigs 3-10 weeks old
**Causes a polyserositis - pericarditis, [[Peritoneal cavity - inflammatory#Peritonitis|peritonitis]], pleurisy and meningitis - in pigs 3-10 weeks old
**Also causes suppurative [[Bacterial infections#Glasser's disease|bronchopneumonia, pleuritis]], [[Joints - inflammatory#In Pigs|polyarthritis]] (also ''H. suis)
**Sporadic outbreaks in the UK
**Sporadic outbreaks in the UK
**Can be fatal in 2-5 days
**Can be fatal in 2-5 days
**Mortality up to 50% insome outbreaks
**Mortality up to 50% insome outbreaks
**Chronic arthritis, meningitis and intestinal obstruction due to adhesions in surviving pigs
**Chronic arthritis, meningitis and intestinal obstruction due to adhesions in surviving pigs
**Expressed lesion vary between animals - meningitis is most consistent, arthritis in 20% of cases
**Expressed lesion vary between animals - meningitis is most consistent, arthritis in 20% of cases
*Fibrinous pneumonia secondary to enzootic pneumonia or virus infection
*Fibrinous pneumonia secondary to enzootic pneumonia or virus infection