Malaria was such a big problem in the U.S that in 1946 the federal government decided to step in by creating the CDC, which began to eradicate mosquitoes by spraying the nerve poison DDT on, well, pretty much everything.
疟疾在美国是一个大问题,以至于 1946 年联邦政府决定介入,成立了疾病预防控制中心 (CDC),该疾病预防控制中心开始通过向几乎所有物体喷洒神经毒剂 DDT 来消灭蚊子。