…as of 2023 the rodent spread theory looks to be inadequate as a black death vector.
Certainly fleas are still the culprit, but recent studies using computer modeling have shown that humans carrying infected fleas are a necessary condition to get the rates of spread across continents that occurred historically. Rats just don’t travel between landlocked cities either quickly or easily.
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…as of 2023 the rodent spread theory looks to be inadequate as a black death vector.
Certainly fleas are still the culprit, but recent studies using computer modeling have shown that humans carrying infected fleas are a necessary condition to get the rates of spread across continents that occurred historically. Rats just don’t travel between landlocked cities either quickly or easily.