Zika Update as Cases Climb in Florida - KCBD NewsChannel 11 Lubbock

Zika Update as Cases Climb in Florida

Aedes aegypti mosquitoes float in a mosquito cage at a laboratory in Cucuta, Colombia, Thursday, Feb. 11, 2016. (Source: Associated Press) Aedes aegypti mosquitoes float in a mosquito cage at a laboratory in Cucuta, Colombia, Thursday, Feb. 11, 2016. (Source: Associated Press)
LUBBOCK, TX (KCBD) -

First there were four cases Thursday

Now, as of Monday, there are 10 newly-identified Zika cases in the Miami area described as "home-grown," meaning from U.S. infected mosquitoes.

There is also the concern that there could be many more cases that are undiagnosed because those people have no symptoms.

All this is prompting a new and urgent government warning for pregnant women to avoid that Southern part of Florida, particularly the Miami area.

Right now, mosquito control efforts are zeroing in on a certain one square mile area just north of downtown Miami. That's where they have identified the Zika virus. Officials believe that target is important since entomologists say the Zika carrying mosquito usually flies no more than 400 yards in any direction before it dies within 30-days.

But since control efforts so far have not worked as well as many had hoped, there is a new concern that perhaps these mosquitoes are developing a resistance.

Meanwhile, the CDC says now that all pregnant women in this country should be assessed for possible Zika exposure during every prenatal visit.

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