Clinical Signs & symptoms:

Pyrexia (fever)
Endocarditis (inflammation of the inner lining of the heart)
Arrhythmia (irregular heart beat)
Cardiopulmonary decompensation (circulatory disorder of the heart)
Granulomatous hepatitis (a liver disorder)
Granulomatous lymphadenitis (a disorder of the lymph nodes)
Thrombocytopenia (low platelet count)
Anaemia (low red blood cell count)
Neurological dysfunction