Could a new gene-editing technique be a major breakthrough in the battle against malaria?

The idea is that since female mosquitoes typically only mate once, the mass release of the sterile male mosquitoes should prevent wild females from producing future generations. Insect populations can and have already been successfully suppressed by the release of sterilised males that have been irradiated with gamma or x-rays, a technique that was originally trialled in the USA as a way to control agricultural pests such as fruit flies and screwworms. However, that method of sterilisation has a detrimental impact on the fitness of male mosquitoes, which then struggle to compete for mates with the wild males. That’s why sterilisation needs to be done genetically.

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