Abstract Background Insecticide-treated bed nets (ITNs) help to control malaria by mechanically impeding the biting of mosquitoes. by repelling and irritating them and by killing them. In contrast to spatial repellency. irritancy implies that mosquitoes contact the ITN and are exposed to at least a sub-lethal dose of insecticide. https://macorners.shop/product-category/bracelet-gift-box/