Dengue vs Chikungunya

Differences between Dengue and Chikungunya 5/5 (4)

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Differences between Dengue and Chikungunya

Dengue and chikungunya are transmitted by the Aedes mosquito, a species that bites during daytime.
Dengue is the fever caused by the bite of Aedes aegypti whereas Chikungunya is caused by the bite of both Aedes albopictus and Aedes aegypti.

Dengue vs Chikungunya

Differences between Dengue and Chikungunya are as follows

Character Dengue Chikungunya
Causative agent Dengue virus, belongs to Flaviviridea family and Flavivirus genus. Chikungunya virus, belongs to Togaviridea family and alphvirus genus.
Primary vector Aedes aegypti Aedes albopictus
Incubation period 4-7 days 3-7days (range 1-12 days)
Disease duration 4-7 weeks 1-2 weeks
Symptoms Fever, Joint pain, Headache, Rashes, Pain behind the eye Fever, Joint pain, Headache, eye pain, Rashes
Joint pain and muscle pain Muscle pain on the back, arms and legs. Joint pain on knees and shoulders. Joint pains on hands and feet. Swelling is present and the pain is high in the morning.
Rashes Rashes usually on face and limbs. Rashes on trunk, limbs, face, palms and feet.
Arthritis Absent present
Hemorrhage Yes May be present or absent.
Shock Yes No
Clinical lab findings


Thrombocytopenia (<100,000/mm3), lymphopenia, neutropenia and elevated liver enzymes (ALT, AST); more severe signs with dengue hemorrhagic fever Mild thrombocytopenia (>100,000 /mm3), lymphopenia, elevated liver enzymes (ALT, AST)


Complications Life threatening complications such as shock, breathing difficulty and heavy bleeding can occur. Upto 10% of patients develop chronic joint pain. Neurological damage is possible, but rare.

Differences between Dengue and Chikungunya

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3 Replies to “Differences between Dengue and Chikungunya”

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