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Factbox: Zika Virus

Zika Virus

  • Mosquito-borne virus first identified in Uganda in 1947
  • Known to circulate in Africa, the Americas and Asia
  • About 20 percent of those infected become ill
  • Symptoms similar to dengue and chikungunya, which are carried by same type of mosquito
  • Most common effects are fever, rash, joint pain and red eyes; last 2-7 days
  • Deaths are rare
  • No vaccine or treatment available
  • Best prevention is preventing mosquito bites

Source: WHO and U.S. CDC