Clinical features: Zika virus infection compared with dengue and chikungunya

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

Adapted from: Centers for Disease Control and Prevention. Zika virus - What clinicians need to know? Clinician Outreach and Communication Activity (COCA) Call, January 26, 2016. Available at: http://emergency.cdc.gov/coca/ppt/2016/01_26_16_zika.pdf (Accessed February 1, 2016).

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Clinical features: Zika virus infection compared with dengue and chikungunya