EESA10H3 Study Guide - Final Guide: Herd Immunity, Passive Immunity, Zoonosis
24 Jun 2019
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Lecture 7 biological hazards and human health. Infectious disease: host- human body, human body, in particular the gut, is a habitat and host to many micro-organisms (total of 2- Isolation of the sick person from the healthy: quarantine anyone that came into contact with the sick person or the infectious agent. Lecture 7-12: cleanliness of the body, showering and washing hands, vaccination, antibiotics. 14% => hiv/aids: lower socioeconomic status of nations means a higher tendency for the disease. Infectious disease and cancer: infection can increase the risk of cancer: chronic irritation => cell proliferation, known infectious causes of cancer account for 18% of cancers worldwide, liver, cervix, stomach. Viruses: tuberculosis, anthrax, plague, yellow fever, hiv, bird flu, west nile virus. Protozoa: malaria, bacterial, tuberculosis => long history , one of the world"s most deadliest diseases. Since then discovery of antibiotics, this is generally a curable disease.
