I recall a lot of mentions of cleansing rituals. Including a way to make an antibacterial soap. Been awhile, so I may have some details wrong. Becoming sick

I recall a lot of mentions of cleansing rituals. Including a way to make an antibacterial soap. Been awhile, so I may have some details wrong. Becoming sick was near equivalent to being a sinner, so good hygiene and righteousness had some overlap. Follow these rules, you won’t get sick. Got sick? You didn’t follow the rules. Harsh reality, but a harsh time.