COVID lab-leak hypothesis labeled a "debunked conspiracy theory"

■ The claim
In February 2020 The Washington Post said Sen. Tom Cotton was repeating a coronavirus conspiracy theory that had already been debunked, after he raised the possibility that the virus came from a Wuhan lab. Facebook later treated claims that the virus was man-made as removable misinformation.
■ What actually happened
No investigation had actually settled the virus's origin. In late May 2021, as the Biden administration ordered a fresh intelligence review, Facebook said it would no longer remove claims that COVID-19 was man-made, and The Washington Post corrected its 2020 story, removing the words "debunked" and "conspiracy theory" and changing the headline to describe a disputed fringe theory. In 2023 the Energy Department (low confidence) and FBI (moderate confidence) said a lab-related origin was most likely, and in January 2025 the CIA said the same with low confidence. The origin remains unresolved; other agencies have favored natural spillover, also with low confidence.
■ The proof
The Washington Post's correction to its Feb. 16, 2020 Cotton story (reported June 1, 2021), Facebook's May 26-27, 2021 policy reversal, and the 2023 DOE/FBI and January 2025 CIA assessments, none of which treat a lab origin as ruled out.
■ Original reporting
- The Washington Post: Tom Cotton story (Feb. 16, 2020, now corrected)https://www.washingtonpost.com/politics/2020/02/16/tom-cotton-coronavirus-conspiracy/
- Meta/Facebook COVID-19 misinformation policy page (with May 26, 2021 update)https://about.fb.com/news/2020/04/covid-19-misinfo-update/
■ Corrections, findings & records
- The Hill: Washington Post issues correction on 2020 Cotton lab-leak reporthttps://thehill.com/homenews/media/556418-washington-post-issues-correction-on-2020-report-on-tom-cotton-lab-leak-theory
- TechCrunch: Facebook stops removing claims COVID-19 is man-made (May 28, 2021)https://techcrunch.com/2021/05/28/facebook-covid-man-made-lab-theory/
- NPR/KUNC: Energy Dept. leans to lab leak with low confidence; FBI with moderate confidence (Feb. 27, 2023)https://www.kunc.org/2023-02-27/energy-dept-says-with-low-confidence-that-lab-leak-may-be-origin-of-covid-19
- Fortune: CIA says lab origin more likely, with low confidence (Jan. 26, 2025)https://fortune.com/2025/01/26/cia-covid-19-pandemic-origin-theory-chinese-lab-low-confidence
■ Wayback Machine copies
Stories sometimes get edited after publication. These links open the Internet Archive's earliest snapshot of each original.
- Archive copy: The Washington Post: Tom Cotton story (Feb. 16, 2020, now corrected)https://web.archive.org/web/2/https://www.washingtonpost.com/politics/2020/02/16/tom-cotton-coronavirus-conspiracy/
- Archive copy: Meta/Facebook COVID-19 misinformation policy page (with May 26, 2021 update)https://web.archive.org/web/2/https://about.fb.com/news/2020/04/covid-19-misinfo-update/
■ Grade
RETRACTED: The outlet itself retracted, corrected, or settled. How we grade →