Zika virus is spread to people primarily through the bite of mosquitoes. Prior 2015, Zika virus outbreaks have occurred in areas of Africa, Southeast Asia and the Pacific Islands.
In May 2015, the Pan-American Health Organization issued an alert regarding the first confirmed Zika virus infections in Brazil.
In 2016, the World Health Organization issued a Public Health Emergency regarding the virus.
Currently, outbreaks are occurring in countries throughout South America and Mexico as well as several nations in the Caribbean. In the United States, there are reports of cases of Zika virus among people who have traveled to countries experiencing outbreaks of the illness. There are no reported cases of Zika virus infections transmitted by mosquitoes in the continental United States; however, there are cases in American Samoa, the U.S. Virgin Islands, and the Commonwealth of Puerto Rico. In addition, there are cases of infection in the United States that are potentially sexually transmitted.
The Centers for Disease Control and Prevention (CDC) has issued travel advisories that can be accessed here CDC Zika Travel Information As more people travel to countries impacted by Zika virus, it is likely that there will be more reported cases in the United States, including Nevada.
The Southern Nevada Health District's Vector Surveillance program has updated its methods to include surveillance for the mosquito species that carries Zika virus; the mosquito species has not been found in the community.