Social & Preventive Medicine General 3f792c42 Chemoprophy laxis with tetracycline is useful in which of the following ? A Cholera B Brucellosis C Meningitis D Leptospirosis High-Yield Explanation Ans. is 'a' i.e., Cholera o Tetracycline is the drug of choice for chemoprophylaxis in cholera and plague.