New Zealand in 1918, where inhalation chambers were installed in public buildings and people were asked to inhale a gas to protect them from the flu. And yes, you guessed it, people got really sick and many died as a result.
To use public trains, you needed proof that you had been in an inhalation room.
https://nzhistory.govt.nz/media/sound/influenza-inhalation-chamber?fbclid=IwAR0B3LGBGYtGoAahH1IkC-oTDJKe5tQZKiIq-jikN1RD45UTOiBopG_MRSY_aem_ATlKMYBvfitsgoJwFqdO0FmZxFqeD2ci4-ZL5A8V4E63o3opcOxnh6CTRFhALIcP_fUy7ggkTISsvRzoTQeEGweo
In response Rompt Theodoor to his Publication
There truly is nothing new under the sun! True evil has been at work since the beginning, counting the many ways you can be duped.