1. Why was it important in this case to identifySalmonella Typhi in the feces of the restaurantworker?
Wouldn’t the discovery of any bacterium be adequate?
2. Which of the three isolation techniques inthis exercise would have been least suited to the isolation of
Salmonella Typhi in this case? Why?
3. MacConkey agar is a selective medium thatonly allows certain types of bacteria to grow. How could
the use of MacConkey agar has simplified the isolation ofSalmonella Typhi in this case?
4. Thinking through the case, other than therestaurant workers, when else was microbiological
sampling likely used?
