3-4 days of:<unk> 
Faget sign (low pulse compared to high<unk> 
Myalgias
Knee pain
Nausea
Vomiting
Faget sign (low pulse compared to high<unk> 
Either recovers or progresses to next stage in 48 hours
15% of patients
Return of symptoms plus:
Hepatic dysfunction
Renal failure
Myocardial injury
CNS dysfunction
Bleeding complications
Yellow fever
Influenza
Chikungunya
Acute Hepatitis
Dengue
Normal causes of acute fever!
Typhoid fever
Malaria