The exact pathogenesis of FUO is not fully understood in many cases where the exact etiology is not known. However in cases where etiology is known its<unk>  depends upon etiology.
Fever of unknown origin pathophysiology
Fever of unknown origin causes
Fever of unknown origin risk factors
Diphtheria risk factors
Typhoid fever risk factors
Typhoid fever other imaging findings
Fever of unknown origin classification
Relapsing fever other imaging findings