An Educational Presentation By Caitlin Gibbs - 1314 Words

Yersinia pestis An educational presentation by Caitlin Gibbs General Outline Covering: ï‚ § History and Relevance ï‚ § Biological Characteristics ï‚ § Pathogenesis ï‚ § Detection Not covering ï‚ § Its use as a biological warfare agent The Plague Considered by many to be the greatest pandemic in the history of the world, the Plague is a disease that has ‘plagued’ the world for over a millennia. Three major pandemics recorded throughout history— claimed an estimated 200 million lives. History of the Plague The First Pandemic ï‚ § First recorded history of the plague, was the Plague of Justinian between 541 – 542 AD. ï‚ § Began in Pelusium, Egypt, after arriving from Ethiopia. ï‚ § Quickly spread through the Middle East and Mediterranean basin ï‚ § Eventually affected all the known world— o 25 million deaths during the pandemic o Up to 50 million deaths total over the next 250 years until 700 AD. Slowly spread from Central Asia, to the west via trade routes between 1330 and 1346. The Second Pandemic ï‚ § Its arrival in Sicily in 1346 brought the start of the Second Pandemic, known as the Black Death. ï‚ § During 1346 to 1353 it killed between 17 and 28 million Europeans, which was about 30 to 40% of the population. ï‚ § Further epidemics continued across the globe until the mid 17th century. o The biggest pandemic in history with over 100 million deaths. o Killed 30% of the world’s population. The Third Plague Pandemic (AKA The Modern Pandemic) ï‚ § Started in 1855 in the Chinese province of Yunnan. ï‚ § By