Back in her laboratory, Dr. Aparna started by examining the samples under the microscope. She noticed that the stool samples contained a large number of gram-negative bacteria. She suspected that the bacteria might be a type of Enterobacteriaceae, which was commonly associated with food poisoning.
Dr. Aparna then performed a serotyping test to determine the specific strain of E. coli. The results revealed that the isolate belonged to the Enterotoxigenic E. coli (ETEC) pathotype, which was known to produce heat-labile and heat-stable toxins. Back in her laboratory, Dr
Dr. Aparna's swift investigation and accurate diagnosis helped to contain the outbreak, and the restaurant was forced to adopt better food safety practices to prevent future incidents. She suspected that the bacteria might be a
Dr. Aparna decided to culture the bacteria on selective media, such as MacConkey agar, to isolate the colonies. After overnight incubation, she observed that the colonies were lactose-fermenting, which suggested that the bacteria might be Escherichia coli. such as MacConkey agar