Pandemics pose a significant risk to security, economic stability, and development. Annualized expected losses from pandemics are estimated at 60billionperyear.Despitethecertaintyandmagnitudeofthethreat,theglobalcommunityhassignificantlyunderestimatedandunderinvestedinavoidanceofpandemicthreats.Wecannotwaitorcontinuewiththestatusquo,inwhichwepayattentiontoinfectiousdiseasethreatsonlywhentheyareattheirpeakandthenarecomplacentandremainvulnerableuntilthenextmajoroutbreak.Toreinforceandsustaininternationalfocus,funding,andaction,itiscrucialthatpandemicsrisetothelevelof“highpolitics,”becomingstandingagendaitemsforpoliticalactors.Inthisarticle,wemakethecaseforfundamentalreformoftheinternationalsystemtosafeguardglobalhealthsecurity.WebuildontheactionagendaofferedbyfourinternationalcommissionsformedinthewakeoftheEbolaepidemic,callingfortherecommended“peacedividend”(anannualincrementalinvestmentof4.5 billion – 65 cents per person) to strengthen global preparedness, for the United Nations to play a greater role in responding to major global health and humanitarian emergencies, and for an effective and efficient R&D strategy with multiple stakeholders—governments, academics, industry, and civil society—identifying R&D priorities and leading a coordinated response. If our action plan were adopted, it would safeguard the global population far better against infectious disease threats. It would reap dividends in security, development, and productivity