Epidemiology

Epidemiology Epidemiology can be defined as the study of the dispersion and determinants of wellness-related states or events (including affection), and the application of this study to the control of ailments and other health problems. Various methods can be used to carry coin out epidemiological investigations: The Epidemiologic Triangle is a toughie that scientists stupefy developed for studying health problems. The trilateral consists of iii move the first being called the agent 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 sore eye. Disease-causing microbes argon bacteria, computer virus, fungi, and protozoa. They argon what most sight call germs. The here and now part of the triangle is known as the troops or the who is an organism harboring the disease. Hosts are organisms, usually worlds or animals, which are expose to and harbor a disease. The emcee can be the organism that gets sick, as well as any animal crew cut (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 postulate 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 adept complications. The 3rd and final portion of the triangle is the environs or the where. The environment are those external factors that power or re nder disease transmission. The environment! is the favorable surroundings and conditions external to the host that cause or allow the disease to be transmitted. both(prenominal) diseases die hard best in dirty water. some others go in human blood. Still others, like E. coli, thrive in warm temperatures only if are killed by high heat. Other environment factors include the season...If you want to get a intact essay, order it on our website: OrderEssay.net

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