what are you asking exactly?
It killed almost 50% of the population. They were devastated. Because there was no cure for it, they turned their faith towards God.
The First Step should to slow down or stop the issue (Global Warming). However this may not be as effective as intended because this may take a while. None the less, it is still a effective first start. Hope this helped!
Jews were seen as dirty,and if you were a known Jew,you were looked down upon
