system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Rideal - walker test is used to compare the efficiency of a disinfectant with that of phenol for the ability to kill
assistant
The correct answer is  Rideal - walker test / phenol coefficient test - abilty to sterilize the suspension of S.typhi.