Against what, microbes?

There’s a reason surgeons disinfect their hands with more than a skylight. Sunlight is a shitty disinfectant.

I wasn‘t aware that society means surgery. Likewise that veiled means literal. By extension, ethnic cleansing probably means giving certain parts of a population a well deserved bath?

Edit: I did not want to imply that you meant it that way. But in a different context, or coming from the wrong person, it may sound like a dog whistle.