Lessons From the Global SARS-CoV-2 Health Emergency for Potential Future Pandemics

The emergence of novel infectious agents with pandemic potential remains a critical global concern, as underscored by the COVID-19 pandemic. This study investigates the various factors contributing to the risk of new pandemics and proposes a framework for pandemic prevention and mitigation.

We review the characteristics of several infectious agents, including influenza viruses, coronaviruses, filoviruses, paramyxoviruses, Lassa fever virus, Crimean-Congo hemorrhagic fever virus, and the yellow fever virus. These agents are discussed in terms of their transmission modes, reservoirs, potential for human-to-human spread, and historical outbreaks. We emphasize the importance of monitoring and early detection of these agents, especially those with localized outbreaks and zoonotic potential.

Our analysis highlights the role of human activities in pandemic risk. Factors such as overuse of antibiotics, environmental changes (deforestation, wildlife habitat encroachment), climate change effects on disease vectors, and increasing global connectivity are examined as drivers of disease emergence.

Furthermore, we propose a foursome of critical actions for pandemic prevention and response: early detection and rapid containment; restricting the transmission by social distancing, masking, quarantine, and elimination of vector, which are crucial even before the vaccine is available; global vaccine and treatment distribution; and robust health policy implementation. We emphasize the importance of international collaboration, information sharing, and preparedness to effectively combat pandemics.

In conclusion, this commentary provides a comprehensive overview of infectious agents with pandemic potential and their associated risks. It calls for proactive measures to prevent and mitigate future pandemics, emphasizing the need for a global strategy that combines early detection, rapid response, and sustained public health infrastructure.

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