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Updated: Aug 4, 2025

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Share all SARS-CoV-2 data immediately.

Maria D Van Kerkhove1

  • 1Maria D. Van Kerkhove is the COVID-19 Technical Lead and the Emerging Diseases and Zoonoses Lead in the Department of Epidemic and Pandemic Preparedness and Prevention, Health Emergencies Programme, World Health Organization, Geneva, Switzerland.

Science (New York, N.Y.)
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Understanding the origins of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is crucial for preventing future pandemics. Delayed data sharing from China has hindered scientific progress and increased global risk.

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Area of Science:

  • Virology
  • Epidemiology
  • Public Health

Background:

  • The emergence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in Wuhan, China, in December 2019 prompted global scientific inquiry into its origins.
  • Despite millions of COVID-19 deaths, understanding the virus's emergence has been hampered by politicization and delayed data disclosure.

Discussion:

  • Scientific understanding of SARS-CoV-2 origins has been overshadowed by political complexities.
  • The World Health Organization (WHO) recently learned of crucial viral sample data from Wuhan, gathered in January 2020, which was not shared for three years.

Key Insights:

  • Inexcusable lack of data disclosure by Chinese scientists impedes critical research.
  • Delayed access to early viral samples from Wuhan significantly obstructs the scientific community's efforts.

Outlook:

  • Continued delays in understanding SARS-CoV-2 origins increase global vulnerability to future pandemics.
  • Urgent, transparent data sharing is essential to mitigate risks and enhance global health security.