GIANTmicrobes Zika (Zika Virus) Plush Toy This virus was discovered decades ago in an African forest named Zika. Transmitted mainly by the Aedes mosquito, Zika has spread dramatically across the Americas. The WHO has declared Zika a public health emergency and the CDC has issued travel warnings. Each 5-to-7 inch doll is accompanied by an image of the real microbe it represents, as well as information about the microbe. Our product is designed for public health education and makes a great teaching tool for teachers, doctors and students.