The correspondence, released under the Freedom of Information Act to the watchdog group Protect the Public’s Trust and shared with the Daily Caller News Foundation, offers the clearest documentary evidence to date that top officials recognized scientific uncertainties around one-size-fits-all vaccination policies, even as they publicly dismissed the value of natural immunity.
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“The data [in the Israeli study] as reported in the news article look rather impressive . . . . but I would imagine that it is more complicated than we think . . . . [I]t is conceivable and possibly likely that those who have had a serious systemic infection develop a high level of immunity that even surpasses that of full vaccination,” Fauci wrote in an Aug. 27, 2021 email with the subject line “RE: Post infection protection vs vaccine immunity.”
Yet the same emails reveal officials’ concern that such findings could undermine the administration’s push for universal vaccination – and later, mandates – by complicating public messaging.
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Acknowledging the Evidence – Privately
In exchanges with colleagues that included the surgeon general, the NIH director, and the CDC director, Fauci weighed the Israeli data against a far smaller CDC study of a few hundred Kentuckians. That CDC analysis, published in the agency’s Morbidity and Mortality Weekly Report, suggested vaccination after infection reduced reinfection risk more than infection alone. As Just the News points out, “The Biden administration often used MMWR, also not peer-reviewed, to push weak research that justified its policies.”
The contrast was stark. The Israeli research – though a preprint at the time – showed natural immunity was many times more protective against reinfection and symptomatic disease. Fauci conceded the Israeli work was compelling, even while noting its retrospective design and voluntary testing.
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Bureaucracy Over Nuance
The emails echo statements later made by Paul Offit, a pediatrician and longtime FDA vaccine adviser, who admitted on a podcast four years ago that senior officials discussed – but ultimately rejected – recognizing natural immunity as a basis for exemption from vaccine mandates. According to Offit, the group broadly agreed that prior infection mattered immunologically. The obstacle, he said, was bureaucratic: how to document it.
NEW FOIA’d documents show that Fauci privately acknowledged “impressive” data showed natural immunity was more protective than COVID vaccines even as the Biden admin implemented mandates in 2021.
Privately officials acknowledged the strength of a study of 770,000+ people showing… pic.twitter.com/NeklY4t9GT
— Emily Kopp (@emilyakopp) January 14, 2026
Offit has since criticized aspects of the administration’s Covid vaccine strategy, including booster recommendations for low-risk groups and what he described as selective data-sharing with advisory committees. His term on a key FDA vaccine panel was not extended in 2022.
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The newly released records also show senior officials struggling to reconcile conflicting data while preparing talking points to counter claims that vaccines were unnecessary for those already infected. In one email, CDC Covid response medical officer John Brooks summarized the state of the science: both infection and vaccination induce immunity; infection-derived protection appeared more durable; but infection carried higher risks and vaccination was “safe.”
Dr. John Brooks, CDC Chief Medical Officer, told a US Senate investigation that when the @CDC recommended cloth masks on March 31, 2020, the evidence in favor was “iron clad.”
Implication: the CDC ignored the RCTs & never followed evidence-based medicine principles. pic.twitter.com/RboW68NbsB
— Jay Bhattacharya (@DrJBhattacharya) January 16, 2024
Still, Brooks acknowledged that some of the data supporting boosters were thin – one cited study involved only four subjects – and that the CDC lacked a comprehensive meta-analysis comparing infection- and vaccine-induced immunity.
Messaging vs. Evidence
Francis Collins, then director of the NIH, privately described the Israeli natural-immunity findings as “somewhat puzzling,” precisely because the study appeared well designed. He asked colleagues whether the CDC had synthesized all available evidence, noting that officials had repeatedly told the public vaccines provided better protection.
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As JTN notes further, those private doubts contrasted sharply with Collins’s earlier public posture, particularly his aggressive dismissal of the Great Barrington Declaration, whose authors argued for focused protection rather than universal restrictions and mandates. In the emails, Collins appeared far more circumspect, seeking nuance rather than certainty.
Protect the Public’s Trust has accused the CDC of misrepresenting its own Kentucky study, noting that agency press materials blurred the distinction between vaccination after infection and vaccination versus infection alone. The group filed a formal scientific-integrity complaint with the Department of Health and Human Services over what it called misleading public claims.
Michael Chamberlain, the organization’s director, told the Daily Caller that the emails show officials attempting to “bury what didn’t fit their preferred narrative,” even as Americans relied on foreign research for answers to basic questions about Covid immunity.
* Original Article:
https://www.zerohedge.com/political/fauci-collins-brushed-impressive-data-covid-natural-immunity