Lot of doubts live about the transmission and vaccine development of zika virus

The mosquito-borne virus, Zika, has developed in the Western Hemisphere, but the virus already spreads around two dozens of countries and territories. However, the number of Zika cases in the hemisphere this year dropped greatly in the top hit areas. https://spinonews.com/2017/12/14/lot-of-doubts-live-about-the-transmission-and-vaccine-development-of-zika-virus/