Bret Weinstein on the Joe Rogan Experience #2198, fact-checked

What the evidence shows: Joe Biden received 81,283,501 votes in the 2020 presidential election (51.31% of the popular vote) per the Federal Election Commission's official certified results, becoming the first candidate in U.S. history to surpass 80 million votes; a separate compilation from the American Presidency Project (UC Santa Barbara) puts the figure at 81,268,773, with the small discrepancy reflecting different certification snapshots. That total exceeded Barack Obama's prior record of about 69.5 million votes in 2008 and was driven primarily by record voter turnout (about 66% of eligible citizens, the highest rate since 1900), not a landslide margin. Trump received 74,223,975 votes, giving Biden a popular-vote margin of roughly 7.06 million votes (about 4.5 percentage points), a large margin among modern elections but not the largest ever; several past elections (e.g., 1972, 1984, 1964) produced far larger percentage-point margins of victory. Describing 2020 as having the largest ever win is accurate only in the narrow sense of raw vote count, not margin of victory, so the framing overstates what the underlying data show.

What the evidence shows: The VENONA intercepts, decrypted communications between Soviet intelligence and its agents that were declassified by the NSA in 1995, show Julius Rosenberg (covername LIBERAL) as an active and prolific Soviet spy who recruited his brother-in-law David Greenglass and passed U.S. weapons-related information to the KGB; historians treat his guilt as well-established. The evidence against Ethel Rosenberg is markedly weaker: per the NSA's own historical summary, only two VENONA decrypts mention her, showing she was a loyal communist who knew of her husband's espionage and may have run some errands for the KGB, but the decrypts "do not suggest she committed any crimes worthy of capital punishment." The trial testimony that most directly implicated Ethel, David Greenglass's claim that she typed his notes on the atomic bomb, was later described by Greenglass himself, in a recanted 2001 interview, as testimony given partly to protect his own wife from prosecution. NSA historians note that one interpretation for her death sentence is that it was used as leverage to pressure Julius into naming other Soviet sources. Overall, Julius Rosenberg's guilt in passing secrets to the Soviets is well-supported by declassified intelligence, but the claim that Ethel Rosenberg was equally guilty is not well-supported by the same evidence, making the blanket statement that "the Rosenbergs" were guilty misleading as applied to Ethel.

What the evidence shows: On May 30, 2024, a Manhattan jury convicted Donald Trump on all 34 counts of falsifying business records in the first degree, a class E felony under New York law, not a misdemeanor; falsifying business records is a misdemeanor only when it lacks intent to commit or conceal another crime, which prosecutors argued and the jury found here. The defense did raise a statute-of-limitations argument before trial, since the underlying 2016-2017 conduct would fall outside the normal window, but prosecutors contended the clock was tolled during the years Trump was out of New York (including his time in the White House and Florida), and that argument was not upheld as a bar to prosecution: the case proceeded to verdict and conviction. Trump's team has separately argued the prosecution was selective and unconstitutional, including a 2026 bid before U.S. District Judge Alvin Hellerstein to move the case to federal court or void it on presidential immunity grounds; Hellerstein rejected those arguments as "neither new nor legally sufficient," and the conviction remains intact while a state appeal continues. Overall, the charges were felonies rather than misdemeanors, and courts that have reviewed the statute-of-limitations and constitutional objections have so far rejected them rather than found the prosecution time-barred or unconstitutional.

What the evidence shows: The consensus age of the universe derived from Big Bang cosmology remains approximately 13.8 billion years, a figure NASA continues to state even after James Webb Space Telescope (JWST) observations began in 2022. JWST has found that galaxies in the early universe (as little as 180-300 million years after the Big Bang) are unexpectedly massive, bright, and structurally mature, creating tension with the standard Lambda-CDM cosmological model used to predict galaxy formation rates. This tension concerns how quickly galaxies formed within the existing 13.8-billion-year timeline, not a revision of the universe's total age; some independent researchers have proposed alternative models (for example, one 2023 paper suggesting an age near 26.7 billion years) to explain the anomaly, but these remain speculative minority proposals, not an updated consensus figure from JWST data. No mainstream astronomical body or JWST-affiliated finding has put the age of the universe at 22 billion years or more.

What the evidence shows: Bret Weinstein attributed the Kenneth Arnold sighting to 'the 1950s,' but the incident occurred on June 24, 1947, near Mount Rainier, Washington, three years before the decade he named. Arnold, a civilian pilot, reported nine bright objects flying in formation and timed their passage between Mount Rainier and Mount Adams, calculating a speed of roughly 1,200 to 1,700 mph. The Smithsonian National Air and Space Museum notes this estimate was about twice as fast as any known aircraft of that era; the first officially recorded supersonic flight, Chuck Yeager's Bell X-1 at about 700 mph, did not occur until months later. The sighting is credited with originating the term 'flying saucer' and launching the modern UFO phenomenon, but Air Force reviewers who investigated it considered Arnold a credible witness while concluding the objects were most likely a mirage rather than confirmed physical craft. Weinstein's underlying point about the reported speed exceeding known 1940s aircraft capability tracks contemporaneous accounts, but his placement of the event in the 1950s is a dating error.

What the evidence shows: Type 1 diabetes is classified by the U.S. National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) as an autoimmune disease in which the immune system destroys insulin-producing beta cells, with a strong genetic component (HLA-linked risk alleles account for over half of genetic risk) combined with environmental triggers, rather than a condition explained primarily by environmental 'mismatch.' A 2021 peer-reviewed review in Frontiers in Endocrinology (PMC8518604) confirms that incidence has risen roughly 2-5% annually over recent decades, too fast to be explained by genetic changes alone, and that environmental factors such as enterovirus infection, rapid early-life weight gain, and gut microbiome changes appear to interact with genetic susceptibility (a 'threshold' model), with genetics still described as the primary risk factor. This integrated genetic-plus-environmental-trigger model differs from Weinstein's framing, which downplays genetics and autoimmunity in favor of a general 'evolutionary mismatch' explanation; mainstream endocrinology does not treat environmental mismatch as the primary driver, and no major research body has replaced the autoimmune/genetic model with one centered on generalized environmental novelty.

What the evidence shows: In May 2024, Chris Cuomo appeared on Patrick Bet-David's PBD Podcast and said he was taking a regular dose of ivermectin, attributing the choice to his doctor's guidance for long-COVID-related inflammation and 'brain fog' rather than for treating an active infection, and remarking that 'Rogan was right' about being unfairly criticized over the drug; Rogan's characterization of this as Cuomo 'admitting' to taking ivermectin is consistent with Cuomo's own on-camera statements. The clinical evidence on ivermectin's efficacy remains unfavorable: a 2022 systematic review and meta-analysis of randomized controlled trials found ivermectin did not reduce all-cause mortality, hospital length of stay, or speed viral clearance in COVID-19 patients. A 2023 phase 3 randomized, placebo-controlled trial (COVID-OUT) that followed outpatients for 10 months found ivermectin had no effect on the incidence of long COVID (hazard ratio 0.99 versus placebo), in contrast to metformin, which reduced long-COVID incidence by about 41% in the same trial. Cuomo's stated personal use of ivermectin for long-COVID symptoms is therefore not supported by the available randomized-trial evidence, even though the underlying factual claim that he said this on the PBD Podcast is accurately characterized.

What the evidence shows: Long COVID, formally termed post-COVID-19 condition, is defined and tracked by both the World Health Organization and the U.S. CDC as a recognized clinical entity: WHO's case definition describes symptoms that usually begin within three months of the initial infection and persist for at least two months, unexplained by an alternative diagnosis, drawing on more than 200 reported symptoms including fatigue, breathlessness, and cognitive difficulties. WHO estimates that roughly 6 in 100 people infected with COVID-19 go on to develop the condition, with about 15 in 100 still symptomatic at 12 months. A CDC analysis of the 2022 Behavioral Risk Factor Surveillance System, a population survey of noninstitutionalized U.S. adults, found 6.4% reported ever having experienced long COVID, with state-level rates ranging from 1.9% to 10.6%. These are epidemiological, survey- and clinical-case-definition-based findings, not attributions to vaccination; the claim that symptoms are due to either the acute infection or the vaccine, with no distinct persistent syndrome, is not supported by the WHO or CDC frameworks, which treat long COVID as a distinct, diagnosable, multi-system post-infection condition.

What the evidence shows: Long COVID (also called post-COVID conditions or PASC) is defined by health authorities as new, returning, or persisting symptoms present at least four weeks (per CDC) to three months (per Mayo Clinic) after acute SARS-CoV-2 infection, and clinical research has linked more than 200 distinct symptoms to the condition. These span multiple organ systems beyond any damaged tissue itself, including persistent fatigue and post-exertional malaise, cognitive impairment ('brain fog'), dizziness and lightheadedness, sleep disturbance, loss of taste or smell, and gastrointestinal symptoms, and long COVID overlaps clinically with conditions such as myalgic encephalomyelitis/chronic fatigue syndrome (ME-CFS), dysautonomia, and mast cell activation syndrome. Researchers describe long COVID's proposed mechanisms as including immune dysregulation, autoimmunity, viral persistence, and endothelial or autonomic nervous system dysfunction, in addition to (not identical with) direct organ damage from the acute illness. This is broader and more heterogeneous than a single organ retaining damage after it heals, which is the analogy Rogan draws to 'long pneumonia.' The comparison therefore mischaracterizes the scope of what is currently documented and studied as long COVID.

What the evidence shows: Weinstein claimed Pierre Kory has lost, or is losing, his medical license as punishment for promoting ivermectin. Wisconsin's Department of Safety and Professional Services, where Kory is licensed in Medicine and Surgery, lists his credential as active and current through October 31, 2027, with no indication of suspension or revocation; public reporting indicates his licenses in other states have similarly remained unaffected. What Kory did lose, in August 2024, was his board certifications in internal medicine, pulmonary disease and critical care, revoked by the American Board of Internal Medicine (ABIM), a private specialty organization distinct from state medical licensing boards, after an ABIM panel found he had made false or misleading public statements about ivermectin's ability to treat COVID-19; board certification is not required to hold a medical license or practice independently. Independent evidence also does not support characterizing ivermectin as simply a "beneficial medicine": a Cochrane systematic review (updated 2022, 11 randomized trials, 3,409 participants) found moderate- to high-certainty evidence that ivermectin has no beneficial effect on mortality or recovery in COVID-19 outpatients, and very low- to low-certainty evidence in hospitalized patients, concluding available evidence does not support its use for COVID-19 outside well-designed trials. The claim conflates a professional certification action with license revocation and overstates the evidence base for ivermectin's benefit.

What the evidence shows: The National Childhood Vaccine Injury Act (NCVIA) was signed by President Reagan on November 14, 1986, creating the National Vaccine Injury Compensation Program (VICP) as a no-fault alternative to lawsuits and giving manufacturers liability protection conditioned on regulatory compliance. The law followed a surge in DPT-related lawsuits in the early-to-mid 1980s (one filed in 1978 versus 73 in 1984), rising insurance and litigation costs, and manufacturers exiting the market; by 1984 only one company still made the DPT vaccine in the U.S. Historical accounts of the Act attribute manufacturers' reluctance to unpredictable multimillion-dollar jury verdicts, low profit margins, and unavailable liability insurance, not to a claim that vaccines could not be manufactured safely. No primary source reviewed shows manufacturers asserting production could not be done safely; the dispute was over legal and financial exposure from rare adverse events, not manufacturing feasibility. The claimed causal mechanism (a safety-impossibility assertion) misstates the documented liability/tort-reform rationale.

What the evidence shows: Mainstream virology holds that paralytic poliomyelitis is caused by poliovirus directly infecting and destroying alpha motor neurons in the anterior horn of the spinal cord and brainstem, producing the characteristic asymmetric flaccid paralysis; this mechanism was established by early 20th-century transmission experiments (1908) and confirmed by later virological and histopathological work, earning the 1954 Nobel Prize in Physiology or Medicine for isolating and culturing the virus. The claim that pesticide or heavy-metal toxicity, rather than the virus, causes paralysis by making gut tissue 'leak' into tissue near the spinal cord (a theory associated with the book 'The Moth in the Iron Lung') is not supported by peer-reviewed evidence: poliomyelitis outbreaks predate widespread DDT and lead-arsenate pesticide use, polio persisted and continued to occur in regions and periods without such pesticide exposure, and case declines tracked vaccination campaigns rather than pesticide phase-outs. No mechanism by which the gut's proximity to the spinal cord would selectively spare sensory neurons and affect only motor neurons via toxin-induced 'leakage' is described in the physiological or virological literature; established pathogenesis instead centers on poliovirus's specific receptor-mediated neurotropism for motor neurons. The toxicity-based causal account is considered a fringe reinterpretation rejected by mainstream medical and public health authorities.

What the evidence shows: A 2023 study in Science Immunology (Irrgang et al.) found that after two mRNA COVID-19 vaccine doses, spike-specific IgG antibodies were dominated by the inflammatory subclasses IgG1 and IgG3, but several months later, and especially after a third dose, an increasing share class-switched to IgG4, rising on average from about 0.04% shortly after dose two to 19.27% late after dose three; this shift was not seen after adenoviral-vector vaccination. IgG4 is a naturally occurring, noninflammatory antibody subclass that binds Fc receptors and complement poorly, so the switch was associated with reduced antibody-dependent cellular phagocytosis and complement deposition, while neutralizing capacity and avidity against variants actually increased after the third dose. An accompanying Science Immunology commentary (Pillai, 2023) cautioned that IgG4 constitutes a relatively small proportion of total anti-spike IgG, that its real-world clinical consequences for vaccinated individuals remain unclear, and that it is 'unlikely to compromise immunity in vaccinated patients at this time,' while calling for further study of dosing intervals. The characterization of IgG4 as the 'immune system's own message to itself to turn itself down,' implying a broad, dangerous immune shutdown, goes beyond what the primary research and expert commentary describe, which is a partial, antigen-specific shift in antibody function rather than global immune suppression.

What the evidence shows: Weinstein claimed the United States averages seven diagnosed cases of Eastern equine encephalitis (EEE) per year. The CDC's official EEE data page states that an average of 11 human cases of EEE are reported annually in the United States, a figure roughly 55% higher than the number Weinstein cited. Other analyses of CDC surveillance data covering 2003-2018 found a somewhat lower average of about eight cases per year (range 4-21), still above Weinstein's figure of seven. Annual counts vary widely year to year, for example the CDC confirmed 38 cases in 2019, well above any of these averages. The core point that EEE is a disease that occurs annually in the U.S. rather than never appearing is accurate, but the specific average-case figure Weinstein gave is lower than the CDC's own published average.

What the evidence shows: The claim combines two separate assertions: that the spike protein's furin cleavage site (FCS) is functionally important for transmission, and that this site was artificially "added" rather than naturally acquired. Laboratory studies support the first part: Peacock et al. (Nature Microbiology, 2021) showed that SARS-CoV-2 lacking the S1/S2 furin cleavage site replicated less efficiently in human airway cells and failed to transmit between ferrets in a direct-contact model, establishing the site as an important determinant of transmissibility. The second part, that the site was engineered or deliberately inserted, remains scientifically disputed rather than established. A peer-reviewed analysis by Garry (PNAS, 2022) concluded the FCS sequence and its similarity to the human ENaC channel are inconsistent with deliberate laboratory design and are better explained by natural recombination, though a published rebuttal in the same journal (Harrison & Sachs, PNAS, 2022) argued the question of engineering remains unresolved. A broader review similarly concluded natural selection, not engineering, is the more parsimonious explanation for the FCS's emergence, while noting the debate is not fully closed. The claim that spike protein forms the antigenic basis of the mRNA COVID-19 vaccines is accurate and not disputed. Overall status: the transmission-relevance of the furin cleavage site is well-supported, but the assertion that it was deliberately "added" (implying engineering) presents a contested, unresolved question as settled fact.

What the evidence shows: Shi Zhengli earned her Ph.D. at the University of Montpellier II in France in 2000 and had worked at the Wuhan Institute of Virology since 1990, independently of Ralph Baric. Her research career as a bat-coronavirus specialist was already established before any collaboration with Baric's UNC lab began, including a 2005 Science paper (with Peter Daszak and others) showing bats harbor SARS-related coronaviruses. The 2015 Nature Medicine chimeric-virus study most often cited in discussions of Baric-Shi 'dual-use research' lists Shi as a co-author alongside Baric, with her team credited for isolating and sequencing the bat virus SHC014 and Baric's team performing the reverse-genetics and mouse-infection work at UNC. This reflects a collaboration between two independently trained, senior researchers each contributing separate expertise, not a mentor-trainee relationship. Describing Shi as having been 'trained by' Baric overstates and mischaracterizes the nature of their scientific partnership.

What the evidence shows: In October 2014, the U.S. government under the Obama administration announced a funding pause on a specific, narrow category of gain-of-function research: studies reasonably anticipated to make influenza, MERS, or SARS viruses more pathogenic or more transmissible by the respiratory route in mammals. The pause applied to roughly 18 identified federally funded projects, did not cover the broader infectious-disease research portfolio, disease surveillance, or vaccine development, and included a request for researchers to voluntarily halt related work while a policy review proceeded. It was not a permanent or blanket stop on gain-of-function funding: in December 2017, the Department of Health and Human Services replaced the pause with the P3CO Framework, a case-by-case review process, and NIH formally lifted the funding pause. Characterizing the 2014 action as funding for gain-of-function research generally being 'stopped' overstates its scope and permanence; it was a temporary, targeted pause later superseded by a review framework rather than a lasting ban.

What the evidence shows: William C. Campbell and Satoshi Omura shared half of the 2015 Nobel Prize in Physiology or Medicine for discovering avermectin/ivermectin as a therapy against roundworm parasites, credited with nearly eliminating river blindness (onchocerciasis) and radically reducing lymphatic filariasis, primarily in low-income countries. The prize citation and subsequent commentary describe this as recognition of ivermectin's antiparasitic efficacy in both animals and humans, not a general endorsement of the drug's use in humans across all conditions. Ivermectin is not FDA-approved and is not recommended by infectious-disease authorities for preventing or treating COVID-19, a viral illness unrelated to the parasitic diseases the prize recognized; the animal-formulation horse dewormer label used by some media, while an incomplete framing, was not factually false since higher-dose veterinary ivermectin products do exist and were what some people were taking. Fact-checking organizations rate the underlying Nobel claim as technically true but conclude that invoking it to argue ivermectin should treat COVID-19 misrepresents what the award was actually for.

What the evidence shows: The claim states that Pfizer's COVID-19 vaccine (Comirnaty) generated about $75 billion and Moderna's COVID-19 vaccine (Spikevax) generated about $36 billion between 2021 and 2022, for a combined total exceeding $100 billion. Pfizer's own SEC-filed full-year 2022 earnings release reports Comirnaty direct sales and alliance revenues of $36.78 billion in 2021 and $37.81 billion in 2022, a two-year total of about $74.6 billion, close to the $75 billion figure cited. Moderna, whose only commercialized product in this period was its COVID-19 vaccine, reported total product sales of $17.68 billion in 2021 and $18.44 billion in 2022 per its SEC-filed fourth-quarter and full-year 2022 results, a two-year total of about $36.1 billion, matching the $36 billion figure cited. Summing both companies' reported figures yields approximately $110.7 billion in combined COVID-19 vaccine revenue for 2021-2022, consistent with the claim that the combined total exceeded $100 billion. The specific dollar figures and the overall conclusion align closely with the companies' own regulatory financial disclosures.

What the evidence shows: Japan's Ministry of Health, Labour and Welfare approved Kostaive (ARCT-154), the world's first authorized self-amplifying ('replicon') mRNA COVID-19 vaccine, in November 2023, with a JN.1-targeted update approved in September 2024 and real-world distribution beginning October 2024. The rollout was accompanied by substantial public controversy and vaccine hesitancy, driven largely by online misinformation claiming the vaccine replicates indefinitely in the body, 'sheds' to unvaccinated people, or integrates into human DNA. A peer-reviewed account in Human Vaccines & Immunotherapeutics describes a nursing ethics association issuing an unfounded shedding warning and a lawmaker's unsubstantiated cancer claim that led the manufacturer to file a lawsuit; some businesses reportedly refused entry to vaccinated individuals based on the misinformation. Health authorities found no scientific evidence supporting the shedding or replication claims, and Kostaive has since also been approved by the European Medicines Agency and UK regulators, undercutting a related misinformation narrative that it lacked approval outside Japan. Available reporting characterizes the episode primarily as an online misinformation and vaccine-hesitancy controversy with isolated business and clinic refusals, not as a large-scale, sustained street-protest movement against the vaccine as Weinstein's framing implies.

What the evidence shows: The 2023 Nobel Prize in Physiology or Medicine was awarded jointly to Katalin Karikó and Drew Weissman 'for their discoveries concerning nucleoside base modifications that enabled the development of effective mRNA vaccines against COVID-19.' Their key 2005 finding was that replacing uridine with the modified nucleoside pseudouridine in synthetic mRNA suppressed the innate immune system's inflammatory recognition of the mRNA as foreign, while also increasing the efficiency of protein production from that mRNA. This is a mechanistic finding about immune evasion and translation efficiency, not merely a physical 'stabilization' of the mRNA molecule, and the Nobel citation explicitly credits it as the discovery that enabled effective COVID-19 mRNA vaccines rather than framing it as a narrow or unrelated consolation award. Describing the prize as being for a narrow 'hyperstabilization process' distinct from the vaccines themselves misstates both the citation's wording and the substance of the discovery, which is broadly recognized by the scientific community as the direct scientific foundation of the mRNA vaccine platform.