Major gains have been made against malaria, with vector control using insecticides an essential component of preventative strategies. Since 2010, resistance of Anopheles mosquitoes to at least 1 of the 4 insecticide classes recommended by WHO has been reported by 60 countries, with resistance to 2 or more classes reported by 50 of these. In order to monitor this growing threat, WHO established in 2014 a global database to track insecticide resistance. It highlights the known presence and extent of resistance in the main malaria vectors, and reveals key gaps in monitoring. Data are used to inform policy and action in line with the Global Plan for Insecticide Resistance Management in malaria vectors (GPIRM).

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