Epidemiology

Epidemiology Epidemiology can be defined as the study of the airing and determinants of health-related states or events (including affection), and the application of this study to the control of maladys and other health problems. Various methods can be used to carry shine out epidemiological investigations: The Epidemiologic Triangle is a modelling that scientists stupefy developed for studying health problems. The trilateral consists of terce move the first being called the agentive role or the what. The agent is the begin of the disease. When studying the epidemiology of most infectious diseases, the agent is a microbean existence too small to be seen with the bare eye. Disease-causing microbes argon bacteria, virus, fungi, and protozoa. They argon what most pot call germs. The hour part of the triangle is known as the horde or the who is an beingness harboring the disease. Hosts are organisms, usually worlds or animals, which are undefended to and harbor a disease. The server can be the organism that gets sick, as well as any animal flattop (including insects and worms) that may or may not get sick. Although the host may or may not know it has the disease or have any outward signs of illness, the disease does keep back caparison from the host. The host heading also complicates symptoms of the disease. Different people may have different reactions to the same agent. For example, adults infected with the virus varicella (chickenpox) are more likely than children to develop heavy complications. The 3rd and final portion of the triangle is the environs or the where. The environment are those external factors that power or lead disease transmission. The environment is the favorable surroundings and conditions external to the host that cause or allow the disease to be transmitted. more or less diseases die hard best in dirty water. another(prenominal)s pass away in human blood. Still others, like E. coli, thrive in warm temperatures only if are killed by high hea! t. Other environment factors include the season...If you want to get a plentiful essay, order it on our website: OrderEssay.net

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