Plague in the 21st century

The plague epidemic currently ravaging Madagascar has led the World Health Organization to issue a warning to 9 further countries/overseas territories which, due to their trade and travel links, are judged to be at risk of becoming victims to a spread of the infectious disease. Our infographic pulls together some key facts on the disease, best known for the 50 million deaths it caused in the middle ages in Europe, but still posing a deadly threat in the 21st century.