This isn't a complete list, and it won't make you completely safe from spying. Using the information in the line listing below, determine whether or not each should be classified as a case, according to the initial case definition above. Traditionally, the information described above is collected on a standard case report form, questionnaire, or data abstraction form. Traditionally, a special type of histogram is used to depict the time course of an epidemic. To interrupt vector borne transmission, measures may be directed toward controlling the vector population, such as spraying to reduce the mosquito population that may carry West Nile virus. Is the attack rate low among persons not exposed to that item? This condition was characterized by severe myalgias (muscle pains) and an elevated number of a particular type of white blood cell called an eosinophil. 5 Step Process for Surveillance Flashcards | Quizlet Download. If you need to go back and make any changes, you can always do so by going to our Privacy Policy page. Environmental inspection of the fairgrounds identified lack of chlorination of the well supplying water to that zone. The 95% confidence interval ranged from 2.3 to 78.7. J Epidemiol Comm Health 1989;43:3114. Before leaving for a field investigation, consult laboratory staff to ensure that you take the proper laboratory material and know the proper collection, storage, and transportation techniques. Strengthening health care's supply chain: A five-step plan The hypotheses should be testable, since evaluating hypotheses is the next step in the investigation. If you do not have the clinical background to verify the diagnosis, bring a qualified clinician with you. Blank S, Scanlon KS, Sinks TH, Lett S, Falk H. An outbreak of hypervitaminosis D associated with the overfortication of milk from a home-delivery dairy.