Case study Term Paper Example | Topics and Well Written Essays - 500 words - 1

Case study - Term Paper Example idemiologically, modifying hypotheses, if needed, comparing and reconciling with laboratory and/or environmental studies, implementing control and prevention measures, monitoring, and publishing or presenting findings In cases of gastrointestinal illness, such as the one given, there are a lot of differential diagnoses. Esophageal symptoms, although commonly due to gastroesophageal reflux disease and large idiopathic ulcers, can also be caused by Candida, Cytomegalovirus or Herpes simplex infection. Diarrhea, on the other hand, is usually by idiopathic/HIV enteropathy, or infection by Cytomegalovirus, Salmonella, Shigella, Campylobacter, Clostridium difficile, and Giardia lamblia. Meanwhile, hepatic disorders are caused by drug toxicity, hepatitis A, B or C infection, syphilis, Mycobacterium avium, Cryptococcus neoformans, Cytomegalovirus, Bartonella henselae, and Mycobacterium tuberculosis. Biliary disorders can result from infection by Cryptosporidia, Mycobacterium avum, Microsporidia, and Cytomegalovirus, while pancreatitis can be due to drug toxicities or opportunistic infections (Marriot & Post, 2009). If an infection has occurred, the likely source of infection must be identified. modes of transmission: the possible ways, such as direct contact, inhalation, vehicle-borne, fecal-oral, and vector-borne, by which the pathogen is spread to one susceptible person to another. A vehicle is a mode of transmission using a non-living thing, in this case either water or food, which carried the bacteria, and led to its inoculation of susceptible individuals, while a vector is an organism, usually an insect such as mosquito, that carries the pathogen that causes the disease. Contact with a vector, like getting a mosquito bite, transmits the microorganism to an individual. If he or she is susceptible, development of disease ensues (Centers for Disease Control and Prevention, 2012). To identify the most likely mode of transmission and the most plausible cause of the