good hygiene, just being clean. Most people back then didn't take showers and made sure they didn't during the black death because they believe that showering would open your pores, which it does, but they thought if was a bad thing when it was actually the only thing that could save them.
they failed
None.
your mums
pop the bubo
no they didnt
none
well you eat lots of tomatoes!
There were several intersting cures for the black death. Medicinal marijuana, opium plants, and crack /cocaine were very good treaments during this period.
People thought that the Black Death was punishment from god. So their cures will work.
1. there 2. is 3. no 4. cure 5. !
they thought that the black death was causes by Jews getting revenge, sailors who have brought it overseas and god punishing them for their sins
the great fire f London cured the black death as it killed all the rats and burned all the fleas