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Zika-Carrying Mosquitoes Might Be Resistant to Insecticide Used in Miami

© AFP 2023 / MARVIN RECINOSThe Aedes Aegypti mosquito is photographed in a lab at the Ministry of Health of El Salvador, in San Salvador
The Aedes Aegypti mosquito is photographed in a lab at the Ministry of Health of El Salvador, in San Salvador - Sputnik International
New cases of mosquito-borne Zika identified in the past few days in Miami, Florida could be a sign that the mosquitos carrying the virus are resistant to the insecticide being used in the area, CDC Director Tom Frieden said in a briefing on Monday.

WASHINGTON (Sputnik) — Florida Governor Rick Scott announced the discovery of 10 new Zika cases on Monday, which are in addition to four he announced on Friday.

"It’s possible the mosquitos are resistant to the insecticide being used in the area," Frieden stated.

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Frieden added resistance testing is starting to see if that’s the case, but the testing can take at least a week or more.

Another reason why mosquito killing efforts weren’t working as well as expected, Frieden suggested, could be because the breeding location hasn’t been discovered yet, even though it’s within a 150 meter area.

Nancy Trinidad, who is 32 weeks pregnant, listens to the explanation of a doctor about how to prevent Zika, Dengue and Chikungunya viruses at a public hospital in San Juan, Puerto Rico, February 3, 2016 - Sputnik International
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The CDC is recommending women who have traveled to the specific area of the city of Miami on or after June 15th get tested for Zika.

The current Zika outbreak started in Brazil in the spring of 2015.

It is transmitted by daytime-active mosquitoes. While the virus does not cause serious complications in adults, it can cause severe brain defects and microcephaly in newborns.

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