With the outbreak spreading rapidly, officials are trying to find the root of the problem and make sure people aren’t exposed to infected mosquitoes.

The Centers for Disease Control and Prevention is warning pregnant women and people who have recently traveled to the region to avoid traveling in the area.

“There is a higher risk for transmission, and we’re urging people to exercise caution,” CDC spokesperson Dr. Robert Smith said.

The CDC also warned people to wear long-sleeved shirts and pants, and to take a long, hard look at their surroundings and to be vigilant in your personal and professional activities.

CDC has also sent out alerts to businesses to close for 24 hours, and urged them to stay away from the area if they’ve been exposed to Zika.

ABC News’ Brian Kibby contributed to this report.

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