phar·ma·co·vig·i·lance | \ ˌfär-mə-kō-ˈvi-jə-lən(t)s 
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\Medical Definition of pharmacovigilance
: the monitoring, evaluation, and prevention of adverse effects associated with the administration of medicines
With generic drugs now accounting for more than 75% of U.S. prescriptions, imposing even a minimal fee on each prescription would provide the revenue for an important investment in pharmacovigilance for late-arising safety issues.— Aaron S. Kesselheim et al., The New England Journal of Medicine, 1 Nov. 2012
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