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MRCU to employ tandem chemicals to fight Zika virus

The Mosquito Research and Control Unit will be using two types of insecticides in its war on the mosquito that carries the Zika virus.

MRCU chief Dr. Bill Petrie told Cayman 27 that only until recently Cayman had only the organophosphate “Mosquito Mist Two” in its chemical arsenal.

He said organophosphates are not the insecticide of choice.

The newest option belongs to a class of insecticides known as pyrethroids, deltamethrin, which Dr. Petrie told Cayman 27 is listed by the EPA as a reduced risk insecticide approved for public health use.

To prevent the mosquitos gaining resistance, both chemicals will be utilised in spraying efforts.

“The key there is that we shall rotate them in order to reduce the risk of getting resistance to either one of these products. Our aedis aegypti here are resistant to almost all of the insecticides that are available for use,” said Dr. Petrie.

Zika has not arrived in Cayman as of yet, but MRCU and Public Health both said they are prepared for when the Zika virus arrives on island.

About the author

Joe Avary

Joe Avary

Joe Avary has been with Cayman 27 since 2014. He brings 20 years in television experience to the job, working hard every day to bring the people of Cayman stories that inform the public and make a difference in the community. Joe hopes his love for the Cayman Islands shines through in his informative and entertaining weather reports. If you have a story idea for Joe or just want to say hello, call him at 324-2141 or send an email to josephavary@hurleysmedia.ky

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