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Mosquito pupae are separated by sex inside a World Mosquito Program factory, in Medellin, Colombia, Thursday, Aug. 10, 2023. The mosquitoes are bred by scientists at the factory to carry the bacteria Wolbachia, which interrupts the transmission of dengue. (AP Photo/Jaime Saldarriaga)

Mosquito pupae are separated by sex inside a World Mosquito Program factory, in Medellin, Colombia, Thursday, Aug. 10, 2023. The mosquitoes are bred by scientists at the factory to carry the bacteria Wolbachia, which interrupts the transmission of dengue. (AP Photo/Jaime Saldarriaga)

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