Text: Business Insider - The Spread of Zika.


Visual: The Zika Forest in Uganda is circled on a map.


Text: The virus was first discovered in Uganda in 1947.


Visual: The camera zooms out to show the continent of Africa, highlighting Uganda and Tanzania.


Text: The first human cases were detected in 1952 in Uganda and Tanzania.


Visual: The camera zooms out and labels the regions Senegal, Sierra Leone, Cote D’ivoire, Burkine Faso, Nigeria, Cameroon, Gabon, and Central African Republic.


Text: The virus spread through Africa and Southeast Asia from international travel and shipping.


Visual: The globe rotates to reveal additional affected regions including Pakistan, Cambodia, Malaysia, and Indonesia.


Text: Before 2006, there were only 14 identified cases of Zika virus disease in humans.


Visual: The camera zooms in on a small island off the coast of Indonesia. 


Text: But in 2007, the first outbreak took place on the island of Yap and infected thousands with the virus.


Visual: Four additional islands off the coast of Australia are highlighted: New Caledonia, Cook Islands, French Polynesia, and Easter Island.


Text: Four more Pacific island groups experienced outbreaks in 2013 and 2014.


Visual: The globe rotates to highlight Brazil.


Text: Then the virus made the leap to South America in 2014. Researchers think Zika was brought to Brazil by tourists visiting for the 2014 World Cup.


Visual: Additional affected regions are highlighted including French Guiana, Suriname, Venezuela, Colombia, Honduras, El Salvador, Guatemala, Mexico, Puerto Rico, Dominican Republic, Panama, Costa Rica, Nicaragua, Guyana, Jamaica, and Haiti.


Text: Since then it’s spread through South and Central America. Zika is now being actively transmitted in dozens of countries. 


Text: The virus is primarily spread by the ages aegypti mosquito, which is found in tropical and subtropical regions.


Visual: The video shows a heat map of the probability of occurrence of Aeges Aegypti mosquito, with higher occurrences happening in India, regions of Africa, regions of South and Central America, and the south east region of the United States.


Text: Including across the southern half of the United States. 


Visual: Regions affected include California, Arizona, Utah, New Mexico, Texas, Oklahoma, Missouri, Arkansas, Louisiana, Mississippi, Alabama, Georgia, Florida, Tennessee, Kentucky, South Carolina, North Carolina, Virginia, Maryland, West Virginia, Delaware, New Jersey, and New York.


Text: The Aedes Albopictus mosquito may also cary the Zika virus.


Visual: Additional regions inside of the estimated range of the Aedes Albopictus mosquito include Kansas, Iowa, Illinois, Indiana, Ohio, Pennsylvania, New York, Massachusetts, Connecticut, New Hampshire, Colorado, and Minnesota.


Text: Around 38 states are home to these mosquitoes. The areas most at risk have an abundance of the ages aegypti and a large number of travelers from countries where zika is being actively transmitted. This includes cites like Houston, Atlanta, Miami, Orlando, Charlotte, DC, Philadelphia, and NewYork.