What is Zika virus and how does it spread?

Information Provided by: http://www.vdci.net/
Zika virus (ZIKV) was first discovered in 1947 in the Zika Forest of Uganda. Shortly thereafter, it was isolated from mosquitoes and then humans in 1968. ZIKV is a “avivirus similar to yellow fever, dengue, Japanese encephalitis, and West Nile virus. Prior to 2007, it had only been detected in central Africa and throughout southeast Asia. However, in 2007, it was associated with a disease outbreak on Yap Island in the south Paci#c, representing the #rst time it had spread outside of

Asia. From there, it spread to South America with human cases first reported in 2014. ZIKV is transmitted by Aedes mosquitoes. In the Americas, it has only been linked to transmission by Aedes aegypti. Ae. aegypti is also responsible for the transmission of dengue virus, yellow fever virus, and chikungunya virus. Recently in Africa, the virus was detected in Aedes albopictus, or the Asian tiger mosquito; hence, it is likely that Ae. albopictus could vector the virus in the Americas.

Mosquito Facts

  • Mosquitoes are the deadliest animals/insects on earth.
  • Responsible for more deaths than any other animals or insects die to the diseases they carry; Malaria, Dengue, West Nile, Encephalitis, and even Heartworm.
  • Most female species will lay eggs in the water surface/fresh or stagnant.
  • Can lay up to 300 eggs at a time and 3,000 in her life.
  • Will bite warm, and coldblooded animals.
  • Stimuli that in. uence biting include CO2, temperature, moisture, smell, color and movement.
  • While males live only a week, females live up to a month.
  • Millions of deaths per year, especially among children and the elderly in developing countries.




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