I get it, they were ignorant, but this behavior was pure insanity! If you don't know what causes an illness, don't make up bullshit accusation against random people because they don't share your religion! Jews, too, died of the pest.
Absolutely shameful😡
https://scholarsarchive.byu.edu/sahs_review/vol43/iss3/2/
I hope none of them were my ancestors!
My sister managed to trace part of our family back to the 16th century, so far. There were some fairly smart people among them, so I hope they didn't fall for this...