MOSQUITOES contribute to the transmission of life-threatening diseases that include Zika, dengue, chikungunya, Rift Valley fever and malaria. Of these, malaria carries the most risk accounting for 229 million cases and more than 400,000 deaths in 2019. Africa accounted for 67% (274 000) of all malaria deaths worldwide. MADELIEN WOODING, Chromatographic Officer and Researcher, University of Pretoria YVETTE NAUDÉ, Manager: Chromatography Mass Spectrometry, University of Pretoria Malaria is caused by parasites that are transmitted to people through the bites of infected female Anopheles mosquitoes. Vector control strategies such as indoor residual spraying and long-lasting insecticidal net programmes have played a…