What is Zika? Zika is a virus related to dengue, yellow fever, and West Nile virus. How is it spread? Zika is spread to humans primarily by the Aedes aegypti mosquito. This species is rarely, if ever, found in most of the United States, including Utah. What are the symptoms, and how dangerous is it? … Continue reading Seven things Southern Utahns should know about the Zika virus