AUTHOR=Ige Olusimbo , Fakuade Dolapo TITLE=Institutionalizing public health diplomacy: building trust in crisis JOURNAL=Public Health Reviews VOLUME=Volume 47 - 2026 YEAR=2026 URL=https://www.ssph-journal.org/journals/public-health-reviews/articles/10.3389/phrs.2026.1610349 DOI=10.3389/phrs.2026.1610349 ISSN=2107-6952 ABSTRACT=Public health crises are increasingly becoming diplomatic events. They require leaders to navigate scientific uncertainty while negotiating political, economic, social, and community interests. Yet public health preparedness continues to treat communication primarily as an individual leadership skill rather than as an institutional capacity for negotiation, consensus building, and trust. The COVID-19 pandemic exposed the consequences. Leaders were expected to communicate evolving evidence while absorbing public anger over difficult tradeoffs involving health, economic disruption, education, individual freedom, and equity. This commentary argues that crisis communication should be understood as public health diplomacy: a structured process through which leaders build trust, make values and tradeoffs transparent, engage diverse stakeholders, and adapt decisions as evidence changes. We propose three institutional practices: transparent decision-making frameworks, predefined reassessment checkpoints, and cross-sector advisory structures. We further argue that leadership turnover and chronic vacancies should be treated as indicators of system instability and emergency preparedness. Building public health diplomacy into training and crisis infrastructure can distribute responsibility for difficult decisions, strengthen institutional resilience, and better prepare leaders to protect health and trust when the next crisis arrives.