PPT-Lesson 9.1: John Snow & Cholera

Module 9 Epidemiology Obj 91 Identify the scientific thinking John Snow used to identify the source of the famous cholera epidemic Do Now Your name is John Snow and you are a disease detective in the year 1854 Cholera a disease that causes watery diarrhea and vomiting and can lead to dehydration and death has suddenly descended upon London and is causing widespread panic Most people believe in the . doesnt dont doesnt doesnt brPage 5br Test Estimated Hardness brPage 6br The bacterium secretes toxin cholera toxin CT which causes severe 64258uid loss from the body into the digestive tract leading to dehydration and ultimately death by diarrhoea V cholerae has caused seven worldwide disease outbreaks or pandemics sinc Epidemiology and data handling . exercise. - With answer key . &. answers animated in slideshow-. Adapted for. A level biology students. By. . Severa. von . Wentzel. & . Mary Doherty . Doctors Without Borders / . BioQUEST. 2012. Case Study Format. Learning Objectives. Resources. Data Analysis & Visualization. Tools. Statistics. Assessment. Module Design. In this module, students will:. (1) investigate the natural history of . Controlling Environmental Conditions to stop the spread of disease. Environment. Physical surroundings of the hosts. Altitude, climate, geography, dust, sunlight, season of year, time of day. John Snow. By: Nadia Nagy. What is Cholera?. Cholera is . a diarrheal . infection caused by ingestion of food or water contaminated with the bacterium . Vibrio . cholerae. . Bhujel. 2013. 3-5 million cholera cases currently with ~120,000 deaths each year (WHO 2013). Carime. Gordon. Alexandria Henry. Andrew Hendrix . Jordon Garman. Cholera Overview. Acute. , diarrheal illness caused by infection of the intestine with the bacterium Vibrio . cholera.. Usually . found in . Cholera is an acute infection of the small intestine. Cholera is an acute infection of the small intestine. Extreme dehydration. Cholera is an acute infection of the small intestine. Extreme dehydration. The Basics. Infection Cause . Cholera is an acute epidemic infectious disease caused by the bacterium Vibrio . cholerae. . A soluble toxin elaborated in the intestinal tract by the bacterium activates the . Poor sanitation. Houses lack basic facilities . Lack of clean water. Crowded living conditions. Inadequate sewage system. What is cholera and how do the symptoms arise?. Cholera. Cholera bacteria are ingested by humans through faecal contaminated food or water.. Three major outbreaks reported between 1992 and 1997. Worst hit then was Northern Nigeria. CFR was 5.3-13% across all age groups . In the last quarter of 2009, it was speculated that more than 260 people died of cholera in four Northern states with over 96 people in Maiduguri, . Cholera, a waterborne bacterial disease, infects millions of people each year, leading to thousands of deaths. Predicting favorable conditions for cholera infection relies on identifying areas of above average temperatures and rainfall, poor water infrastructures and changes in land use. To tackle this problem, scientists . 29 September 2022. Presented by:. Dr. Betty Lanyero. Technical officer, Nutrition, WHO, Ethiopia . Situation overview – Cholera outbreak, Bale zone as of 25 September 2022 . Precautions when managing cholera in children with severe acute malnutrition . Gad Mohamed. Professor of Epidemiology. College of Medicine & KKUH . Greek word for the gutter of a roof, comparing the deluge of water following a rainstorm to that of the anus of an infected person .