[DBrow]

“modern antiseptic methods”
First you’d have to explain that disease comes from tiny invisible creatures and not as a punishment from a deity.

[__rvx86]

See if this passes muster with contemporaneous religious authorities:

Disease comes from tiny invisible creatures, as part of a punishment from a deity/evil spirit/what have you...

Problem solved?

[Buttons12]

First you’d have to explain that disease comes from tiny invisible creatures and not as a punishment from a deity.

"...there are bred certain minute creatures which cannot be seen by the eyes, but which float in the air and enter the body through the mouth and nose and cause serious diseases."

Marcus Terentius Varro, died 27 B.C.

[Smokin' Joe]

First you’d have to explain that disease comes from tiny invisible creatures and not as a punishment from a deity.

Nope. Just say your grand father did this, and fewer people got sick/infected, whatever. You could even say it drove away the vile humors.

[tet68]

Most likely all of us would be burned at the stake...
sad to say.

[Mad Dawgg]

"First you’d have to explain that disease comes from tiny invisible creatures and not as a punishment from a deity."

And then you would be burned at the stake for heresy.

[Pollster1]

First you’d have to explain that disease comes from tiny invisible creatures and not as a punishment from a deity.

Or you could explain that a vigorous soapy baptism of the hands/wounds/etc, accompanied by prayer, could remove unclean spirits.