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The bacterium that caused the Black Death and killed millions of people in Europe during the Middle Ages is still alive. It is Yersinia pestis, which is still active in some parts of the world. In this edition of Escala en Paris, the Costa Rican scientist Javier Pizarro-Cerdá, from the Pasteur Institute in Paris, talks to us about the Black Death and its evolution, in addition to the similarities it has with the Covid-19 pandemic, among other topics.
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