September 6, 2016 6:32 PM EDT

Officials identified seven new Zika cases transmitted in South Florida, six of them in the Miami Beach area.

The seventh case has sparked concern about a potential new Zika transmission zone that officials will only say could be in Miami-Dade County. “One case does not mean ongoing active transmission is taking place,” the Florida Department of Health said, according to USA Today. “If DOH finds evidence that active transmission is occurring in an area, the media and the public will be notified.”

While Congress argues about bills to fund emergency efforts in Florida and other states, officials in Miami Beach have undertaken a project to spray the area of concern to prevent the spread of the mosquito-borne virus.

[USA Today]

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