Pandemics That Changed HistoryIn the realm of infectious diseases, a pandemic is the worst case scenario. When an epidemic spreads beyond a country’s borders, that’s when the disease officially becomes a pandemic. Communicable diseases existed during humankind’s hunter‑gatherer days, but the shift to agrarian life 10,000 years ago created communities that made epidemics more possible. Malaria, tuberculosis, leprosy, […]Read more
CholeraWhat Is Cholera? Cholera is an infectious disease caused by a bacterium called Vibrio cholerae. The bacteria typically live in waters that are somewhat salty and warm, such as estuaries and waters along coastal areas. People contract V. cholerae after drinking liquids or eating foods contaminated with the bacteria, such as raw or undercooked shellfish. […]Read more
Florence NightingaleFlorence Nightingale was so respected in the field of nursing that she was tapped to consult with the British Army. Learn more about the health reforms that she instituted in this video.Watch now
Spanish FluWhat Is the Flu? Influenza, or flu, is a virus that attacks the respiratory system. The flu virus is highly contagious: When an infected person coughs, sneezes or talks, respiratory droplets are generated and transmitted into the air, and can then can be inhaled by anyone nearby. Additionally, a person who touches something with the […]Read more
Black DeathHow Did the Black Plague Start? Even before the “death ships” pulled into port at Messina, many Europeans had heard rumors about a “Great Pestilence” that was carving a deadly path across the trade routes of the Near and Far East. Indeed, in the early 1340s, the disease had struck China, India, Persia, Syria and […]Read more