The plagues of England were caused by the communist method of grain storage introduced by the Holy Roman Empire. Affected communities were highly dependent on winter grain from communal storage areas. Fleas infected rats. As rats ate grain they infected the grain. As the grain got distributed throughout the community so did the plague virus.
Some of the plagues are believed to have been caused and/or exacerbated by ergot rye contamination after poor crop seasons.
England wasn’t part of the Holy Roman Empire.
Communism did not exist for centuries after that.