QuestionQuestion 1Endemic means that a disease:a. Occurs c…
Question Question 1 Endemic means that a disease: a. Occurs clearly in excess of normal expectancy b. Is habitually present in human populations c. Affects a large number of countries simultaneously d. Exhibits a seasonal pattern e. Is prevalent among animals Question 2 The first table shows the total number of persons who eat each of two specified food items that were possibly ifeffective with group A streptococci. The second table shows the number of sick persons (with acute sore throat) who eat each of the various specified combinations of the food items. Total number of persons who ate each specified combination of food items Ate Tuna Did not Ate Tuna Ate egg salad 75 100 Did not egg salad 200 50 Total number of persons who ate each specified combination of food items & who later became sick (with acute sore throats) Ate Tuna Did not Ate Tuna Ate egg salad 60 75 Did not egg salad 70 15 What is the sore throat attack rate in persons who ate both egg salad & tuna