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Published on: May 31, 2017
Preparing for "Disease X"
Maria D Van Kerkhove1, Michael J Ryan2, Tedros Adhanom Ghebreyesus3
1Maria D. Van Kerkhove is the COVID-19 technical lead and head of Emerging Diseases and Zoonoses in the Health Emergencies Programme at the World Health Organization, Geneva, Switzerland.
Abstract:
The past 30 years have exposed the global public health and economic threats posed by the emergence of infectious pathogens with epidemic and pandemic potential. Severe acute respiratory syndrome (SARS), middle east respiratory syndrome (MERS), influenza, Ebola, Marburg, Lassa, Nipah, Zika, and now SARS coronavirus 2 (SARS-CoV-2) each have been the "Disease X" of their time. The risk of future emergence is driven by multiple forces, including climate change, ecosystem changes, and increasing urbanization. The next Disease X could appear at any time, and the world needs to be better prepared.
Insights
Emerging infectious diseases pose significant global health and economic risks. Increased urbanization and climate change heighten the threat of future pandemics, necessitating enhanced preparedness for the next "Disease X".
Area of Science:
- Public Health
- Epidemiology
- Global Health Security
Background:
- Over the past 30 years, numerous infectious pathogens with epidemic and pandemic potential have emerged, posing significant global threats.
- Examples include Severe Acute Respiratory Syndrome (SARS), Middle East Respiratory Syndrome (MERS), influenza, Ebola, Marburg, Lassa, Nipah, Zika, and SARS-CoV-2.
- These events highlight the recurring nature of emerging infectious diseases as
- Disease X
- of their time.
Discussion:
- The risk of novel pathogen emergence is amplified by interconnected global forces.
- Key drivers include climate change, alterations in ecosystems, and increasing urbanization.
- These factors create environments conducive to zoonotic spillover and rapid disease transmission.
Key Insights:
- Each major outbreak represents a significant public health and economic crisis.
- The cyclical nature of these events underscores a persistent vulnerability in global preparedness.
- Understanding the drivers of emergence is crucial for proactive mitigation.
Outlook:
- The threat of future pandemics remains high, with the potential for the next
- Disease X
- to emerge unpredictably.
- Enhanced global surveillance, rapid response capabilities, and international cooperation are essential.
- Proactive strategies addressing climate change and ecosystem health are vital for long-term prevention.
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