They did not hold services or schools during the full shut down of covid-19. But they started holding Services before Pennsylvania opened up for everyone. But I knew of only a few that needed the hospital and I just know 2 who passed away from it. I heard more who were sick and went to the Dr for treatment.So the question is, do genes play a role in how sick people get?
As for the flu of 1918 my Grandmother talked about it too me. Funny she never mentioned social distancing, masks or anything in that line. She talked about how many nursing mother's passed away! And so a lot of mother's were caring for there own infants and a sister, neighbor or friends infant because they passed away. They didn't have formulas.My would have been a little girl so apparently seeing her own frail sickly mother 'mothering'2 infants was powerful to her. In her words the more vulnerable people were young mother's.
Also, nowadays the Amish and Mennonites have more outside jobs and are more in contact with the outside world then in 1918 when pretty much everyone was on farms. If you work on a farm all day, don't have radios and TV it's much easier to be oblivious of your surroundings, without actually meaning to disobey governor's rules. Even their schools, other Winters they sometimes close for a day or two during flu season if to many children are absent. Without a state telling them to close.