HSS 1101 Lecture Notes - Lecture 8: Infectious Mononucleosis, Streptococcal Pharyngitis, Humoral Immunity
15 Mar 2016
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Document Summary
Chapter 13: controlling risk for infecious and non-infecious condiions. Virulent: strong enough to overcome host resistance and cause disease. Mulifactorial disease: disease caused by interacions of several factors. Environmental condiions: immunological competence: the ability of the immune system to defend the body from pathogens. Risk factors you can control: stress, nutriion, acivity, sleep, hygiene, sex, drugs. Autoinoculaion: transmisison of a pathogen from one part of your body to another. Single celled organisms that may cause diseases in humans, they produce toxins. Staphylococcal infecions: found on our skin, cause infecion when there is a break in the skin. Streptococcal infecions: strep throat, scarlet fever. Pneumonia- disease of the lungs, caused by bacteria. Tuberculosis: caused by bacterial iniltraion of respiratyry system: 8. 7 mil new cases in 2011, 1. 4 mil die each year. Small pathogens, 1/500 size of bacteria, cause disease. Common cold: they are endemic (coninued prevalence of a speciic infecion or disease in a speciic populaion or area) around the world.
