Diagnosis of<unk>  fever is usually based on clinical recognition and serology the latter requires comparison of acute- to convalescent-phase serology, so is only helpful in retrospect. Etiologic agents can generally only be identified to the genus level by serologic testing. PCR and immunohistochemical analyses may also be helpful.
Typhus laboratory findings
Tuberculosis laboratory findings
Urticaria laboratory findings
Zygomycosis laboratory findings
Typhoid fever laboratory findings
Legionellosis laboratory findings
Nocardiosis laboratory findings
Fungemia laboratory findings