Cdc Exam Module 1 2024 Questions & Answers

British investigators conducted a study to compare measles-mumps-rubella (MMR) vaccine history among 1,294 children with pervasive development disorder (e.g., autism and Asperger's syndrome) and 4,469 children without such disorders. (They found no association.) This is an example of which type(s) of study? A. Experimental B. Observational C. Cohort D. Case-control E. Clinical trial {Ans: B and D}What is shoe leather epidemiology? {Ans: painstaking direct inquiry among all or a representative sample of the affected people, for example by walking door to door (wearing out shoe leather in the process, hence the term) to ask direct questions. (John Snow used this method in his investigations of cholera in the 1850s)}how is public health surveillance done? {Ans: collection and evaluation of morbidity and mortality reports at the local and state health departments also via individual case reports}Public health surveillance includes which of the following activities: A. Diagnosing whether a case of encephalitis is actually due to West Nile virus infection B. Soliciting case reports of persons with symptoms compatible with SARS from local hospitals C. Creating graphs of the number of dog bites by week and neighborhood D. Writing a report on trends in seat belt use to share