What were the different theories about the nature of the Black Death?

What were the different theories about the nature of the Black Death?

There were several different theories about the nature of the Black Death. One theory was that it was caused by a miasma, or bad air, which was believed to be the cause of many diseases at the time. Another theory was that it was a punishment from God, sent to punish humanity for their sins. Some also believed that it was caused by astrological alignments or supernatural forces. Additionally, there were theories that it was spread through contaminated water or food, or through contact with infected animals.