Notes - SEX, HEALTH, AIDS NOTES 19/09/2007 14:02:00 ←...

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Unformatted text preview: SEX, HEALTH, AIDS NOTES 19/09/2007 14:02:00 ← Epidemiology: Study of epidemics of infectious disease • Attributed to John snow around 1850…Cholera was common and epidemic in London o Lambeth company or the Southwark & Vauxhall Company o He proved this theory that by changing the Broad street handle • Today’s definition…“the study of the distribution and causes of disease in humans” Epidemic: Uncontrolled regionally Pandemic: Uncontrolled worldwide Morbidity: Event of presence (cases) of disease Mortality: Number of deaths due to disease A cquired I mmune D eficiency S yndrome • A person has to be tested positive for HIV antibodies • AND • Either has known secondary (opportunistic) disease OR specific T4 lymphocyte count (CD 4+) • 95% of AIDS cases are in developing countries • Disproportionally effects the poor • #1 indicator of AIDS morbidity & mortality is income ← ← H uman I mmunodeficiency V irus • HIV causes AIDS • Effects the T4 lymphocytes or T4 ← ← Infectious diseases are those came by viruses and microorganisms (these have been around well before the history of humans) • These diseases became much more problematic with Agrarian societies and cities ← ← A major global epidemic is the bubonic plague (Black death) • Blamed by other groups (Jewish migrants in 14 th century Germany & Switzerland) • Caused by bacteria o Flea would bite an infective flea, fleas would bite other fleas transferring vomit, fleas would bite humans, and humans can spread disease to other humans • 7.1 Billion people died from about 500-1900 (almost 1/3 of the world died • The plague permeated life o Literature o Traditions still in place today ← ← Another major epidemic was influenza (the flu) • A historical epidemic was the Spanish flu of 1918-1919 (Spanish flu) • This particular epidemic: Roughly 22 million deaths in US and Europe ← Infectious Diseases vs. Chronic Diseases • In 1990, infectious disease was the major heath problem • In the Late 1950s, they were largely controlled in developed countries o Life expectancy went from 50 years to 75 years ← ← How they were controlled… • Improved sanitation • Medical advancements (antibiotics) ← Current State of Infectious Diseases • Largely due to AIDS infectious disease are the 3 rd leading cause of death in the US • They cause 25% of all deaths worldwide and are the leading cause of death for children • Other infectious diseases besides AIDS are still problematic in the world (Malaria afflicts 300 million killing between 2-3 million per year) ← Still new surprises… • SARS: Severe Acute Respiratory Syndrome...
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This note was uploaded on 04/06/2008 for the course INDV 102 taught by Professor Polakowski during the Fall '08 term at Arizona.

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Notes - SEX, HEALTH, AIDS NOTES 19/09/2007 14:02:00 ←...

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