Communicable Diseases

This symbolizes the ongoing effort to develop vaccines protecting against continually evolving global health threats. Plague Pandemics: The Three Waves of Devastation Caused by Yersinia pestis The bacterial disease known as plague has been responsible for some of the deadliest pandemics in human history. Caused by the organism Yersinia pestis, plague infections can cause severe bubonic symptoms, septicemic plague through the bloodstream, or pneumonic plague that impacts the lungs. Over countless centuries, Yersiiinia pestis has unleashed three major waves of plague that decimated global populations.  In this article, we will explore the Yersinia pestis: Three Pandemics Called Black Death. We will also delve into its indications, symptoms, side effects, and treatment options. The First Pandemic: Justinian Plague (6th Century) The first documented plague pandemic originated in Egypt in 541 AD. Known as the Plague of Justinian, it spread swiftly along trade routes throughout the Byzantine