Nature, Published online: 21 May 2025; doi:10.1038/d41586-025-01609-8In a fresh approach to blocking transmission of the malaria parasite by mosquitoes, potent antimalarial compounds that kill parasites in mosquitoes are incorporated into bed-net prototypes. Exposure to the compounds through bed-net contact prevents parasite development, even when infection takes place four days later. #antimalarialtreated #bed #nets #could #stop