Skovmand Ole, Ongmayeb Gisele, Kounbobr Dabiré Roch, Namountougou Moussa, Georges Meda Benson, Trang Trung, Dang Duoc, Nguyen Tuan, Development and Testing of Long-Lasting IRS Products While Revising the WHO Test Protocol, Journal of Public Health International, Volume 3, Issue 4, 2021, Pages 1-18, ISSN 2641-4538, (https://oap-journals.comjphi/article/1601) Keywords: Intra-domicile residual spray IRS; Long Lasting IRS; Evaluation of WHO test method; Carbamates; Organophosphorus insecticides OPs.