More cases of locally-spread Zika in Florida

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Last Updated Aug 1, 2016 5:07 PM EDT

Ten more people in Florida are believed to have contracted Zika virus from local mosquitoes, health officials announced today.

This brings the total number of people with locally transmitted Zika to 14, according to the Florida Department of Health (DOH).

Officials say they believe the active spread of Zika through mosquitoes is still only occurring in one small area in Miami-Dade County.

“Today, DOH has confirmed that 10 additional people have contracted the Zika virus locally, likely through a mosquito bite,” Governor Rick Scott said in a statement. “DOH has been testing individuals in three locations in Miami-Dade and Broward Counties for possible local transmissions through mosquito bites. Based on DOH’s investigations, two locations have been ruled out for possible local transmissions of the Zika virus. DOH believes local transmissions are still only occurring in the same square mile area of Miami.”

The governor also called on the CDC to activate an Emergency Response Team to assist local officials in their investigation, sample collection and mosquito control efforts.

Of the 10 new individuals announced today, six were not experiencing any symptoms of illness.

Most people infected with Zika will either have mild symptoms, including fever, rash, and joint pain, or no symptoms at all. The virus is mainly dangerous for pregnant women because it has been found to cause severe birth defects in babies.

On Monday, the CDC issued a travel advisory urging pregnant women to avoid visiting the Wynwood area of Miami, where the locally-transmitted cases are believed to have occurred.

Dr. Anthony Fauci, director of National Institute of Allergy and Infectious Diseases, told “CBS This Morning” that the Florida cases were “not at all unexpected given the number of travel-related cases that we know are in the United States, many of which are in Florida.”

He said there’s “no doubt” that more local cases will arise.

“The critical issue now is to prevent these locally acquired cases from becoming sustained and from becoming disseminated,” Fauci said. “There’s a lot of activity going on by the local health authorities of very aggressive mosquito abatement control in order to prevent this spread beyond the Dade County area.”

These efforts include eliminating standing water where mosquitoes breed, and spraying larvicide and insecticides.

To protect themselves from mosquito bites, people — especially pregnant women — should use insect repellent with DEET, cover bare skin with pants and long sleeves, and stay indoors with air conditioning or window screens.