<prompt> Pharmacovigilance is:Monitoring generic drugsMonitoring drug efficacyMonitoring ethical drugMonitoring adverse effects of drugs  <response>: Ans. d Monitoring adverse effects of drugsRef: KDT 6th ed. 79 Pharmacovigilance is the science and activities relating to the detection assessment, understanding and prevention of adverse effects or any other possible drug- related problems. Recently, its concerns have been widened to include herbals, traditional and complementary medicines, blood products, biologicals, medical devices and vaccines. 