Features | Zika | Dengue | Chikungunya |
Fever | ++ | +++ | +++ |
Rash | +++ | + | ++ |
Conjunctivitis | ++ | – | + |
Arthralgia | ++ | + | +++ |
Inflammatory arthritis (characterized by prolonged morning stiffness) | -- | -- | +++ |
Myalgia | + | ++ | + |
Headache | + | ++ | ++ |
Hemorrhage | – | ++ | – |
Shock | – | + | – |