Typical syndrome includes acute to sub-acute febrile illness, associated with fatigue, myalgias,joint pain, and headaches.  Patients may also experience hepatomegaly and/or splenomegaly.  Fever may "undulate" over days, which is why some describe the disease as "undulant fever."  Patients may find symptoms are<unk> est in the morning and progressively  worsen over the day.  The acute illness can progress to a chronic illness. Incubation is 2-3 weeks<unk> ut may also<unk> e insidious in onset.
Fever
Diaphoresis
Myalgias
Headache
Fatigue
Joint/bone pain - occurs in 40% of cases, represented<unk> y arthritis, ostemyelitis,<unk> ursitis, etc.
Nausea/vomiting
Abdominal pain
>12 months of symptoms
Divided into 3 categories:
Brucella
Psittacosis
Staphylococcus
Anthrax 
Salmonella
Brucellosis 
Legionella
Q fever 