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Medicine

Adverse Drug Reactions and Pharmacovigilance

Quick fact

An estimated 5% of all serious adverse drug reactions are ever reported to national pharmacovigilance systems, which is why so many hidden harms take years to surface.

Why this is interesting

You trust a drug you take because it passed clinical trials—but those trials can miss life-threatening dangers for the very first time. How do we catch a medication's hidden harms after it is already in pharmacy shelves?