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MIAMI (CBSMiami/AP) — Some disheartening news for Miami Beach and the trendy Wynwood district.

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A new poll conducted by the Kaiser Family Foundation found 48 percent of those surveyed said they would be wary of traveling to places in the U.S. where people have been infected with the Zika virus by mosquitoes. Up to 61 percent felt that way about traveling to Puerto Rico or other Zika zones outside the U.S.

Meantime, more than 40 cases of non-travel related Zika have been found in the Miami area, and at least one infection was discovered in Pinellas County near Tampa.

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Spraying for mosquito larvae in several Broward neighborhoods, which was scheduled for early Thursday, was canceled due to the weather. It has now been tentatively rescheduled for Friday morning.

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The larvicide being used is called VectoBac WDG which was described as “a naturally occurring, biodegradable bacterial mosquito larvicide which is not harmful to humans, pets, aquatic habitats or environmentally sensitive areas.”

In Fort Lauderdale, the area to be sprayed is bounded by:
-SW 6th Street to the north
-SW 24th Street (Marina Blvd) to the south
-S Andrews Ave to the east
-SW 9th Ave to the west
See map

In Davie, the spray boundaries are:
-SW 9th Court to the north
-SW 28th Court to the south
-S Flamingo Road to the east
-SW 133rd Ave to the west
**The area does not include SW 20th St to SW 28th Ct between SW 127th Ave and SW 124th Ave**
See map

And in Hallandale Beach, the area is bounded by:
-Pembroke Road to the north
-SW 11th Street to the south
-Dixie Highway to the east
-SW 8th Ave to the west
See map

Broward officials say the areas were chosen based on a number of factors including the one non-travel related confirmed case in Broward County, population density and the amount of women of child-bearing age in the community. They add that it is strictly a preventative measure since no active local transmission cases have been confirmed in these cities.

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Click here for more information on the Zika virus or here for more Zika-related stories.