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Scientific controversy
COVID-19Atlas
Health & Medicine · Pandemics & disease origins
Competing accounts of the COVID-19 outbreak — origin, scale, and response — including lab-leak versus wet-market readings, without deciding intent or offering treatment guidance.
Open the caseTimeline
- 2020-02-06 · eventOSTP seeks NASEM input on coronavirus origins questions
- 2020-03 · investigationProximal origin paper in Science
- 2020-05 · document_releaseLawrence Livermore assessment addresses lab-leak possibility
- 2021 · popularizationLab-leak debate mainstreams
- 2021 · popularizationScientists call for serious study of natural and lab pathways
- 2021-03 · investigationWHO-convened joint origins study
- 2021-03-30 · document_releaseWHO-convened joint origins study published
- 2022 · document_releaseStudies argue Huanan market was early outbreak epicenter
- 2023 · amplificationContinued congressional and scientific review
- 2023-03 · investigationHouse testimony revisits lab-leak evidence and narrative politics
- 2024 · investigationHouse oversight COVID-origins probes and hearings continue
- 2024-12 · document_releaseSelect subcommittee after-action pandemic report released