Tag - Plague’s

Study Reveals Plague’s Evolutionary Strategy to Survive Three Pandemics

Macrophages infected by Yersinia pestis bacteria. (Anne Derbise and Jose Barquero/Institut Pasteur/AFP)Recent research indicates that the bacteria causing the plague evolved to become less lethal over time, allowing it to infect people during three distinct pandemics over more than a thousand years.The Plague of Justinian: A Two-Century CrisisThe first pandemic, known as the Plague of Justinian, occurred...