Brazil to fight Zika by sterilizing mosquitoes with gamma rays

  • 2/5/2023
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BRASILIA, Jumada I 14, 1437, February 23, 2016, SPA -- Brazil is planning to fight the Zika virus by zapping millions of male mosquitoes with gamma rays to sterilize them and stop the spread of the virus linked to thousands of birth defects, according to Reuters. Called an irradiator, the device has been used to control fruit flies on the Portuguese island of Madeira. The International Atomic Energy Agency said on Monday it will pay to ship the device to Juazeiro, in the northeastern state of Bahia, as soon as the Brazilian government issues an import permit. "It's a birth control method, the equivalent of family planning for humans," said Kostas Bourtzis, a molecular biologist with the IAEA's insect pest control laboratory. A Brazilian non-profit called Moscamed will breed up to 12 million male mosquitoes a week and then sterilize them with the cobalt-60 irradiator, produced by Canadian company MDS Nordion, Bourtzis said. The sterile males will be released into target areas to mate with wild females who will lay eggs that produce no offspring, he said during an IAEA meeting of mosquito control experts. After an initial program in a dozen towns near Juazeiro, the Brazilian government would have to decide on scaling up the sterile mosquito production with more funding for use in cities, where they would be released from the air, possibly from drones, Bourtzis said. --SPA 03:01 LOCAL TIME 00:01 GMT www.spa.gov.sa/w

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