1. SPREADING

    Florida Declares Zika State of Emergency

    An aedes aegypti mosquito is pictured on a leaf in San Jose, Costa Rica February 1, 2016. Costa Rica has stepped up preventative measures against the Zika virus at ports of entry into the country after the Central American nation registered its first case this week. REUTERS/Juan Carlos Ulate - RTX24ZO4

    © Juan Carlos Ulate / Reuters

    Florida Gov. Rick Scott declared a state of emergency in four counties where the Zika virus has spread. Authorities say they believe the nine infected people all contracted the disease outside the U.S. The declaration covers Miami-Dade, Lee, Hillsborough, and Santa Rosa counties. Officials are concerned that Aedes aegypti, the mosquito and primary vector of the virus, is present across the Southeast. A case of sexually transmitted Zika was discovered in Dallas on Tuesday.

    Read it at ABC News