In Southeast Asia’s Greater Mekong Subregion (GMS), the battle against malaria is advancing at a rapid pace. Between 2012 and 2017, reported malaria cases fell by a staggering 84%, with deaths from the disease down by 93%. In Cambodia, China’s Yunnan Province, the Lao People’s Democratic Republic (Lao PDR), Myanmar, Thailand, and Vietnam, more people are free of malaria’s deadly menace than ever before