Changes

**Acute inflammation affecting pleua, peritoneum, mediastinum, pericardium, joints and meninges

**Acute inflammation affecting pleua, peritoneum, mediastinum, pericardium, joints and meninges

**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 [[Respiratory Bacterial Infections - Pathology#Glasser's disease|bronchopneumonia, pleuritis]],  [[Joints - inflammatory#In Pigs|polyarthritis]] (also ''H. suis)

**Also causes suppurative [[Respiratory Bacterial Infections - Pathology#Glasser's disease|bronchopneumonia, pleuritis]],  [[Joints Inflammatory - Pathology#In Pigs|polyarthritis]] (also ''H. suis)

**Expressed lesions vary between animals - meningitis is most consistent, arthritis in 20% of cases

**Expressed lesions vary between animals - meningitis is most consistent, arthritis in 20% of cases

**Fever, general malaise, repsiratory and abdominal signs, lameness, paralysis or convulsions

**Fever, general malaise, repsiratory and abdominal signs, lameness, paralysis or convulsions