Microbiology Chapter 2: Epidemiology

incidence of disease in a population

overall deathrate in population

percentage of population that dies from a specific diease- requires diagnosis

Reservoir of infectious agent- portal of exit- transmission- portal of entry- suceptible host

Characteristics of the pathogen, portal of entry, dosage of pathogen, incubation period, host predisposing factors

Physiology (ex-short urethra in women), Genetics (sickle cell gene), Enviroment (climate/weather), Age, Health, Diet, Lifestyle, Chemotherapy

first inial case then has dramatic increase; from same enviromental source

Determine cause of disease/outbreak

Collecting Information on individuals- ex. respiratory infections on students at cofo

has an Hypothesis. ex, those with a certian bmi and over 70 have higher risk of cardiovascular disease

provides support for labs in US and abroad; collects data on disease that impact public health

Microbial evolution, complacency, changes in human society, technology, chemotherapy, globalization, climate change