During one day, an emergency room received 20 different patients that had a Salmonella infection. Salmonella is a bacteria that is found in undercooked meat or contaminated salads. According to the patients’ histories, a majority of the patients lived in the same area. Which best describes what the hospital should do?

Warn the local grocery store that there may be contamination.
Assume that day was just an abnormal day for Salmonella cases.
Take these cases as a way to continue development of their skills.
Take it as a learning experience to reduce errors.