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