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public health ch.4 notes

by: rh389814

public health ch.4 notes Public health 2000

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About this Document

public health notes chapter 4, epidemiology. infectious and non infectious diseases
Intro to public health
Heather Harmon
Class Notes
Public Health, health, Infectious Disease, infectious, chronic disease, epidemoiolgy
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This 2 page Class Notes was uploaded by rh389814 on Tuesday February 16, 2016. The Class Notes belongs to Public health 2000 at Ohio University taught by Heather Harmon in Summer 2015. Since its upload, it has received 25 views. For similar materials see Intro to public health in Public Health at Ohio University.


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Date Created: 02/16/16
Extra health notes ch.4 Classification of diseases  Categorize disease by which organ is affected (kidney, heart, lung, etc.)  Categorize by how it is caused   Categorize acute or chronic o Acute: symptoms/disease lasts 3 months or less, complete recovery majority of  time, quick to treat o Chronic: symptoms/disease lasts 3 months or longer, recovery is not always  guaranteed, at times may last a person’s whole life  Categorize communicable or non­communicable o Communicable: infectious, biological causes, transfer from one person to another  (or multiple people) o Non­communicable: not infectious, not contagious, cannot be spread from a  person to others.  Communicable diseases  Infectivity: “ability of biological agent to enter & grow in host” (p.99)  Pathogenicity: the potential and ability for the infecting agent to cause illness and disease  in the host  Agent: [refers to pathogenic agent] reason or cause of illness/disease  Host: the person/other living being that is carrying the virus/infection/illness/disease  [look at p.100 for chain of infection chart]  Zoonoses: diseases able to spread from animals to humans   Anthroponoses: disease and illness spread among humans only Transmission  Direct transmission: disease spreads by direct contact (i.e. touching)  Indirect: spreading disease including a step inbetween (i.e. someone touches a handrail  then another person touches the handrail) o Three types  Airborne  Vehicleborne (vehicle­objecct)  Vectorborne (vector­living being such as insect) Noncommunicable disease  Examples: cancer, heart disease, strokes  Not contagious, but can happen in clusters  Etiology: cause  Many factors play into why someone has a noncommunicable disease (i.e. environment,  water) o Chart on p.103  Physical, chemical and geographical factors  Living conditions, jobs, life decisions, etc.  Coronary heart disease: number 1 leading cause of death in US  Cancer: 2  leading cause of death in US Prevention (communicable)  Prevention: planning for and stopping the chances of getting or acquiring a disease  Intervention: getting involved to stop a disease  o Control: limit access for spreading infectious diseases  Eradication: getting rid of a disease   Levels of prevention: o Primary: trying to stop the onset of disease o Secondary: preventing spread and getting treatment of disease  Quarantine  Disinfect  o Tertiary: rehabilitate person after disease is eradicated Prevention (noncommunicable)  Primary: education, watching diet, having a job, house, meeting basic needs, being  healthy, etc.  Secondary: screenings and tests for diseases  Tertiary: suitable emergency response team,  hospital, medical services, etc.


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