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- QUESTION:- Community A receives its water from several sources. The water source responsible for causing an outbreak of disease X is unknown. The best evidence to determine which suspected water supply is responsible would be: Question 19 options: a. the identity of the water supply providing water to the largest proportion of cases. b. the relationship between quantity of water consumed and the severity of attack for each individual. c. the identity of the water supply that has the greatest opportunity for contamination during the epidemic. d. the attack rates for disease X in those who did and did not drink from each water supply.Question 26 Using the Duke Criteria for infective endocarditis, ______ is an example of a major criterion. Question 26 options: a) Predisposition (e.g. IV drug use, valve abnormality) b) Clinical symptoms (e.g. Fever > 38 °C) c) Two separate, positive blood cultures with typical organisms d) Vascular phenomena (e.g. Janeway lesions, major arterial emboli)QUESTION 5You are asked to recommend an antibiotic to treat potential pathogenicityt in an animal. Describe a method which will allow you to make this recommendation.
- QUESTION 12 Although this organism is a normal resident of the skin microbiota, it can cause infections post-surgery, particularly with medical device implants. O Staphylococcus epidermidis O Escherichia coliQuestion 67Which of the following statements regarding chlamydia is correct? Question 67 options: a) Increased rates of infection are attributed to new serology screening methods b) Chlamydia infections cannot be transmitted from infected mothers to newborns c) Females between the ages of 15 and 29 represent the highest risk group for infection d) Males account for over 2/3 of reported casesQuestion 12 Which disease produces Dane particles and what is their function? HIV produces Dane particles which enhance the immune response by further activating cytotoxic T cells. HIV produces Dane particles which reduce the immune response by killing helper T cells. Hepatitis B produces Dane particles and their function is to decrease the immune response, as they are noninfectious. O Hepatitis B produces Dane particles which are the only infectious particle produces by this virus. Question 13 MAY 12
- QUESTION 4 [16]Over 126 children younger than 7 years of age developed Measles in Gauteng after visiting various entertainment parks in the Mpumalanga and Limpopo provinces over the March 2023 school holidays. These cases represented 56% of the visitors in this age group on the days in question. Infected children residing in Limpopo and Mpumalanga and visited the parks accounted for 36% and 16% respectively. No older individuals were affected. The causative agent was determined to be a member of the viral genus Morbillivirus in the Paramyxoviridaefamily. The disease is known to spread by coughing and sneezing, close personal contact ordirect contact with infected nasal or throat secretions of the infected children.Confidential 4.1. Based only the information given, can you classify this outbreak as an endemic to South Africa? Why or why not? 4.2. As an epidemiologist, illustrate how would you determine which parks in the provinces had accounted for more infections. 4.3. Outline the…QUESTION 4 [16]Over 126 children younger than 7 years of age developed Measles in Gauteng after visiting various entertainment parks in the Mpumalanga and Limpopo provinces over the March 2023 school holidays. These cases represented 56% of the visitors in this age group on the days in question. Infected children residing in Limpopo and Mpumalanga and visited the parks accounted for 36% and 16% respectively. No older individuals were affected. The causative agent was determined to be a member of the viral genus Morbillivirus in the Paramyxoviridaefamily. The disease is known to spread by coughing and sneezing, close personal contact ordirect contact with infected nasal or throat secretions of the infected children.4.1. Based only the information given, can you classify this outbreak as an endemic to South Africa? Why or why not? 4.2. As an epidemiologist, illustrate how would you determine which parks in the provinces had accounted for more infections. 4.3. Outline the factors that…Question 13 Trypanosomes that infect humans are transmitted by Obiting insects O contaminated water contaminated food O aerosols O parasitic worms
- Question #3 Describe the general concept of trade-offs between virulence and transmission, and give several (at least three) instances where this trade-off does not occur, and why. In other words, why do we continue to have virulent pathogens? Edit View Insert Format Tools TableQuestion 11 Many great scientists pushed the development of biologics. Which scientist developed the first successful polio vaccine? Jonas Salk O Maurice Hilleman O Edward Jenner O Louis PasteurQuestion 19 Medicare payment to HHRGS increases or decreases based on: A Resources used B ASC rates C) Severity levels D) All of the above