COVID-19: Public Health Impact, Response Strategies, and Lessons Learned

COVID-19, caused by the SARS-CoV-2 virus, emerged as a global health crisis that significantly affected healthcare systems, economies, and societies worldwide. This article provides an overview of the origin and transmission of COVID-19, its public health implications, and the strategies adopted to control its spread. It also highlights the challenges faced during the pandemic and key lessons for strengthening future pandemic preparedness. Although vaccines and public health interventions significantly reduced morbidity and mortality, COVID-19 exposed gaps in global health systems, emphasizing the need for coordinated responses, resilient health infrastructure, and continued investment in public health research.