Zika Virus: What Are the Symptoms and Risks?


The Zika virus, first found in monkeys during the 1940s in the Zika Forest in Uganda, is transmitted by mosquitoes. Detected in humans in 1952 in Uganda and Tanzania, the virus spread to the Western hemisphere in February of 2014, first on Chile’s Easter Island, making its way to Brazil in May 2015 and to the U.S. in Florida in July 2016.

How Is the Zika Virus Transmitted?

The virus can be transmitted four different ways:

  • Via infected mosquitoes
  • From pregnant mothers to their newborns
  • Through sexual intercourse
  • Via blood transfusion