<prompt> Pharmacovigilance means:Monitoring of drug safetyMonitoring of unethical trade of drugsMonitoring pharma studentsMonitoring drug efficacy  <response>: Pharmacovigilance has been defined by the WHO as the science and activities relating to the detection, assessment, understanding, and prevention of adverse effects or any other drug-related problems The information generated by pharmacovigilance is useful in educating doctors about the adverse drug reaction and in the official regulation of drug use Ref; KD Tripathi Pharmacology 7th edition page no:82 