GEOG103 Study Guide - Midterm Guide: Neglected Tropical Diseases, Basic Reproduction Number, Zoonosis
14 Mar 2018
School
Department
Course
Professor
Document Summary
Correlation b/w disease and: war, trade, migration, rodents, etc. Plague originated in flees from rats: black death started in china; affected world history. Infectious disease clinical stage- symptoms shown infectious period- time person can spread disease; even w/ no symptoms (carriers) case fatality- proportion of those who die after infection: 60% =disease caused by an infectious agent (i. e. , viruses, bacteria, etc. ) Basic reproductive rate- average # of secondary cases that occur. Emerging infectious diseases: new, increasing incidence or range; i. e. , ebola, new secondary attack rate- proportion of people exposed who get the disease zoonotic disease- animals transmit to humans (i. e. , leptospirosis, toxoplasmosis) 60% influenza strains. Neglected tropical diseases: affects poorest countries in the world; o. e. , trachoma, sleeping sickiness vector-borne diseases: infected animal or human to human through bite of vector (most common: mosquito) i. e. , malaria, dengue; over 17% infectious disease. Incubation period: time period b/w exposure to pathogen and disease onset.
