Regulatory Compliance in Vaccine Development: A Pillar of Public Health Protection

Abstract: This article highlights the importance of regulatory compliance in vaccine development, focusing on its role in ensuring safety, efficacy, and public trust. It summarizes global regulatory approaches adopted by key agencies, such as the U.S. Food and Drug Administration, European Medicines Agency, and World Health Organization. The review discusses adaptive frameworks, such as rolling reviews and emergency use authorizations, that accelerated approval during the COVID-19 pandemic, as well as post-marketing surveillance systems, including VAERS and EudraVigilance. It further examines the consequences of regulatory breaches and their impact on innovation and public confidence. The article concludes that harmonized, transparent, and responsive regulatory systems are essential to support scientific progress while maintaining the highest standards of safety and ethical integrity.