Evangelicalism, including campaigns for social hygiene against venereal diseases.

Source: https://dissidentvoice.org/2023/12/yankee-micro-social-psychology-part-i/

In Japan, the infamous Unit 731 showered bubonic plague drops over China and conducted experiments on humans involving flamethrowers, water torture, vivisections without anaesthesia and the forced transfer of venereal diseases.

Source: https://nypost.com/2023/03/26/bat-bombs-mind-control-and-umbrella-guns-this-over-the-top-spy-agency-was-the-forerunner-of-the-cia/