Is Loss of Animal Diversity Behind the Spread of Deadly Diseases?

When it comes to their perceived connection with the bubonic plague, rats may have gotten a bum rap in history. According to Barney Sloan, author of The Black Death in London, rats might not be have been responsible for spreading the plague: the evidence just does not add up. For one, the disease spread too fast to have been caused by rats (or fleas for that matter) as it also carried on into the winter when fleas would have died off. Sloan thus believes that the plague was spread by

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