What are the signs and symptoms of Chikungunya virus infection?

Updated: Aug 01, 2019
  • Author: Suganthini Krishnan Natesan, MD; Chief Editor: Michael Stuart Bronze, MD  more...
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Chikungunya fever is an acute febrile illness with an incubation period of 3-7 days. It affects all age groups and both sexes equally, with an attack rate (percentage of individuals who develop illness after infection) of 40%-85%.

Patients present with abrupt onset of high-grade fever often reaching 102°-105°F, with shaking chills that last 2-3 days. The fever may return for 1-2 days after an afebrile period of 4-10 days, hence called a “saddle-back fever.”

Prodromal symptoms are uncommon. However, sore throat, headache, abdominal pain, constipation, and retro-orbital pain have been reported during the acute phase of the illness.

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