Infectious
Adenovirus
EBV
Enterovirus
Hep B
HIV
Loiasis
Lyme
Mycoplasma
Onchocerciasis
Schistosomiasis
Strongyloides
Trichinosis
Adenovirus
EBV
Enterovirus
Hep B
HIV
Loiasis
Lyme
Mycoplasma
Onchocerciasis
Schistosomiasis
Strongyloides
Trichinosis
Noninfectious
Allergy
Idiopathic
Malignancy
Vasculitis
Allergy
Idiopathic
Malignancy
Vasculitis
Fever and rash
Nausea and vomiting 
Nausea and vomiting
Acute fever
Leukostasis and hyperleukocytosis
Neutropenic fever
Erythematous rash
Abdominal pain 