COVID-19
Study finds Pfizer COVID vaccine poses 37% greater mortality risk than Moderna

From LifeSiteNews
A study of 1.47 million Florida adults by MIT’s Retsef Levi and Surgeon General Joseph Ladapo finds significantly higher all-cause mortality after Pfizer vaccination compared to Moderna
A new study of 1.47 million Florida adults by MIT’s Retsef Levi and Surgeon General Joseph Ladapo finds significantly higher all-cause, cardiovascular, and COVID-19 mortality after Pfizer vaccination.
The study titled “Twelve-Month All-Cause Mortality after Initial COVID-19 Vaccination with Pfizer-BioNTech or mRNA-1273 among Adults Living in Florida” was just uploaded to the MedRxiv preprint server. This study was headed by MIT Professor Retsef Levi, with Florida Surgeon General Dr. Joseph Ladapo serving as senior author:
Study Overview
- Population: 1,470,100 noninstitutionalized Florida adults (735,050 Pfizer recipients and 735,050 Moderna recipients).
- Intervention: Two doses of either:
- BNT162b2 (Pfizer-BioNTech)
- mRNA-1273 (Moderna)
- Follow-up Duration: 12 months after second dose.
- Comparison: Head-to-head between Pfizer vs. Moderna recipients.
- Main Outcomes:
- All-cause mortality
- Cardiovascular mortality
- COVID-19 mortality
- Non-COVID-19 mortality
All-cause mortality
Pfizer recipients had a significantly higher 12-month all-cause death rate than Moderna recipients — about 37% higher risk.
- Pfizer Risk: 847.2 deaths per 100,000 people
- Moderna Risk: 617.9 deaths per 100,000 people
- Risk Difference:
➔ +229.2 deaths per 100,000 (Pfizer excess) - Risk Ratio (RR):
➔ 1.37 (i.e., 37% higher mortality risk with Pfizer) - Odds Ratio (Adjusted):
➔ 1.384 (95% CI: 1.331–1.439)
Cardiovascular mortality
Pfizer recipients had a 53% higher risk of dying from cardiovascular causes compared to Moderna recipients.
- Pfizer Risk: 248.7 deaths per 100,000 people
- Moderna Risk: 162.4 deaths per 100,000 people
- Risk Difference:
➔ +86.3 deaths per 100,000 (Pfizer excess) - Risk Ratio (RR):
➔ 1.53 (i.e., 53% higher cardiovascular mortality risk) - Odds Ratio (Adjusted):
➔ 1.540 (95% CI: 1.431–1.657)
COVID-19 mortality
Pfizer recipients had nearly double the risk of COVID-19 death compared to Moderna recipients.
- Pfizer Risk: 55.5 deaths per 100,000 people
- Moderna Risk: 29.5 deaths per 100,000 people
- Risk Difference:
➔ +26.0 deaths per 100,000 (Pfizer excess) - Risk Ratio (RR):
➔ 1.88 (i.e., 88% higher COVID-19 mortality risk) - Odds Ratio (Adjusted):
➔ 1.882 (95% CI: 1.596–2.220)
Non-COVID-19 mortality
Pfizer recipients faced a 35% higher risk of dying from non-COVID causes compared to Moderna recipients.
- Pfizer Risk: 791.6 deaths per 100,000 people
- Moderna Risk: 588.4 deaths per 100,000 people
- Risk Difference:
➔ +203.3 deaths per 100,000 (Pfizer excess) - Risk Ratio (RR):
➔ 1.35 (i.e., 35% higher non-COVID mortality risk) - Odds Ratio (Adjusted):
➔ 1.356 (95% CI: 1.303–1.412)
Biological explanations
The findings of this study are surprising, given that Moderna’s mRNA-1273 vaccine contains approximately three times more mRNA (100 µg) than Pfizer’s BNT162b2 vaccine (30 µg). This suggests that the higher mortality observed among Pfizer recipients could potentially be related to higher levels of DNA contamination — an issue that has been consistently reported worldwide:
The paper hypothesizes differences between Pfizer and Moderna may be due to:
- Different lipid nanoparticle compositions
- Differences in manufacturing, biodistribution, or storage conditions
Final conclusion
Florida adults who received Pfizer’s BNT162b2 vaccine had higher 12-month risks of all-cause, cardiovascular, COVID-19, and non-COVID-19 mortality compared to Moderna’s mRNA-1273 vaccine recipients.
Unfortunately, without an unvaccinated group, the study cannot determine the absolute increase in mortality risk attributable to mRNA vaccination itself. However, based on the mountain of existing evidence, it is likely that an unvaccinated cohort would have experienced much lower mortality risks. It’s also important to remember that Moderna mRNA injections are still dangerous.
As the authors conclude:
These findings are suggestive of differential non-specific effects of the BNT162b2 and mRNA-1273 COVID-19 vaccines, and potential concerning adverse effects on all-cause and cardiovascular mortality. They underscore the need to evaluate vaccines using clinical endpoints that extend beyond their targeted diseases.
Epidemiologist and Foundation Administrator, McCullough Foundation
Please consider following both the McCullough Foundation and my personal accounton X (formerly Twitter) for further content.
Reprinted with permission from Focal Points.
COVID-19
Biden admin knew COVID shot risks in early 2021 but kept silent for months: Senate report

From LifeSiteNews
The Biden administration was warned of cardiovascular dangers associated with the COVID vaccines in February 2021 yet kept in quiet until June, according to a Senate report.
The Biden administration was aware of cardiovascular dangers associated with the COVID-19 vaccines as early as its second month in office yet delayed disclosing them for months, according to a report by the Senate Permanent Subcommittee on Investigations.
The Daily Wire obtained a copy of the report, which uncovered a February 2021 email from Centers for Disease Control & Prevention (CDC) Vaccine Safety Technical Work Group (VaST) co-lead Lauri Markowitz, which reported that of the almost 1,000 post-vaccination deaths reported at the time, those with “known” causes were “often cardiovascular.”
The report further notes that Israel, which began vaccinating earlier than the United States, notified CDC officials that it found “large reports of myocarditis, particularly in young people, following the administration of the Pfizer vaccine.”
However, “[r]ather than provide the public and health care providers with immediate and transparent information regarding the risk of myocarditis following mRNA COVID-19 vaccination, the Biden administration waited until late June 2021 to announce changes to the labels for the Moderna and Pfizer COVID-19 vaccines based on the ‘suggested increased risks’ of myocarditis and pericarditis,” the report finds. “Even though CDC and FDA officials were well aware of the risk of myocarditis following COVID-19 vaccination, the Biden administration opted to withhold issuing a formal warning to the public for months about the safety concerns, jeopardizing the health of young Americans.”
“For a number of months, they were talking about these things. At some point in time, they actually internally said, ‘Is there a signal of myocarditis, a safety signal?’ And the answer was ‘Yes,’” said Sen. Ron Johnson (R-WI), chair of the committee. “And yet, a couple of days later, they decided not to issue a warning on the Health Alert Network (HAN). Rather than provide informed consent, the federal health agencies, the Biden administration, covered it up. They downplayed the signals.”
Johnson added that the Biden administration stonewalled his committee, but the Trump administration is “beginning to produce records, pursuant to the chairman’s subpoena, that should have been provided years ago, without redactions, to Congress and the public.”
The federal Vaccine Adverse Event Reporting System (VAERS) reports 38,615 deaths, 220,701 hospitalizations, 22,531 heart attacks, and 29,150 myocarditis and pericarditis cases as of April 25, among other ailments. CDC researchers have recognized a “high verification rate of reports of myocarditis to VAERS after mRNA-based COVID-19 vaccination,” leading to the conclusion that “under-reporting is more likely” than over-reporting.
An analysis of 99 million people across eight countries published in the journal Vaccine “observed significantly higher risks of myocarditis following the first, second and third doses” of mRNA-based COVID vaccines, as well as signs of increased risk of “pericarditis, Guillain-Barré syndrome, and cerebral venous sinus thrombosis,” and other “potential safety signals that require further investigation.” In April 2024, the CDC was forced to release by court order 780,000 previously undisclosed reports of serious adverse reactions, and a study out of Japan found “statistically significant increases” in cancer deaths after third doses of mRNA-based COVID-19 vaccines, and offered several theories for a causal link.
READ: Japanese study finds ‘significant increases’ in cancer deaths after third mRNA COVID doses
In January, a long-awaited Florida grand jury report on the COVID vaccine manufacturers found that while only a miniscule percentage of the millions of vaccinations resulted in serious harm based on the data it had access to, such events do occur, and there are “profound and serious issues” in pharmaceutical companies’ review process, including reluctance to share what evidence of adverse events they did find.
Last week, U.S. Food & Drug Administration (FDA) Commissioner Dr. Marty Makary and vaccine chief Dr. Vinay Prasad co-authored a paper announcing new safety trials before future COVID-19 shot recommendations, but also that they anticipated continuing to recommend the shots for everyone older than 65 and for most children and adults with a wide range of “risk factors.”
This week, however, Health & Human Services Secretary Robert F. Kennedy Jr. announced that they were withdrawing recommendations for healthy children or healthy pregnant women to receive the shot.
COVID-19
Dr. Malone: Trump admin takes step in right direction with new COVID shot guidance

From LifeSiteNews
I think I am developing a bad case of “Warp Speed” whiplash.
On May 20, 2025, the New England Journal of Medicine published an article authored by Vinay Prasad, M.D., M.P.H. (FDA/CBER Director), and Martin A. Makary, M.D., M.P.H. (FDA Commissioner) titled “An Evidence-Based Approach to Covid-19 Vaccination.” The “new” FDA position was that pregnancy and recent pregnancy, as well as many other pre-existing conditions, are associated with a greater risk of severe COVID outcomes. The agency said it would approve new versions of the vaccine (based on antibody production only) for adults 65 years of age and older as well as for people with one or more risk factors for severe COVID-19 outcomes.
These risk factors include medical conditions such as asthma, cancer, chronic kidney disease, heart disease, diabetes, and pregnancy. At that time, the agency indicated that healthy younger adults and children who fall outside of these groups may not be eligible to receive the COVID-19 shot this fall. Vaccine manufacturers will have to conduct clinical trials to demonstrate that the vaccine benefits low-risk groups.
On May 22, 2025, the groundbreaking MAHA Commission Report was announced and published. Never before has such a wide-ranging, comprehensive, and fearless report on the state of children’s health in the United States been published by the U.S. government. Titled “Making Our Children Healthy Again,” the report addresses concerns about the U.S. childhood vaccine schedule as part of its broader focus on chronic disease in children. Key statements about vaccines include:
- Increased Scrutiny Needed: The report calls for a reassessment of the childhood vaccine schedule, highlighting that the number of recommended vaccines has risen from 7 injections in 1986 to 29 by age one. It notes that many vaccines were tested in small participant groups, lacked inert placebo-controlled trials, and had limited safety monitoring (some lasting six months or less), raising concerns about detecting rare or long-term adverse effects.
- Comparative Analysis: It points out that Denmark’s vaccine schedule includes nearly half as many vaccines as the U.S., yet no trials have compared the safety or advisability of the U.S. schedule against other nations’.
- Vaccine Safety and Corporate Influence: The report questions the safety of the current schedule, suggesting that the National Childhood Vaccine Injury Act of 1986 shields manufacturers from liability, creating a unique regulatory framework that may limit open dialogue and safety reporting. It advocates for “true” placebo studies and more research into potential adverse effects.
- No Causal Claims: The report does not explicitly link vaccines to chronic diseases like autism, obesity, or diabetes, but it raises concerns about insufficient investigation into potential associations.
- Acknowledgment of Benefits: It acknowledges that vaccines protect children from infectious diseases but emphasizes balancing benefits with potential risks, and calls for more rigorous clinical trial designs.
- Ongoing Research: Health and Human Services Secretary Robert F. Kennedy Jr. stated that research into vaccine safety, including the autism crisis, is already underway, with policy recommendations to follow within 100 days.
- What the report did not do was to address specific concerns regarding the adverse events associated with the COVID-19 mRNA products in children, pregnant women, pre-born or post-natal babies.
READ: CDC no longer recommending COVID shots for healthy pregnant women, children
Following these key back-to-back announcements, vocal critics within the MAHA movement immediately launched a campaign attacking Secretary Kennedy and FDA Commissioner Makary for failing to ban all mRNA-based COVID products. Some with longstanding ties to the feminist movement went so far as to assert (on Substack and podcasts) that there was a coordinated effort by the “patriarchy” to shut down female social media influencers who were attacking Kennedy and Makary for failing to act swiftly and comprehensively to withdraw all FDA marketing authorization for these COVID-19 mRNA-based products.
What these attacks failed to do was gather information concerning the political decision-making process within the administration of President Trump that led to these policy decisions. According to sources in close contact with the administration, I have been informed that President Trump and his chief of staff made the decision to leave the COVID mRNA-based products on the recommended CDC vaccine schedule and related guidance. Not Kennedy or Makary.
One version of this narrative emphasizes the president’s political calculus, particularly concerns about alienating the pharmaceutical industry (and its potential donations to senators) as the midterm elections approach. So once again, the nattering nabob “influencer” caste directed their hate and ire at the wrong target. Curiously, many of these “influencers” are directly sponsored by a company seeking to associate itself with “medical freedom,” and not so curiously, some have a long history of Trump Derangement Syndrome symptoms. At least one of these sponsored “influencers” actively seeks to damage both the president and the entire MAHA movement politically.
What none of these appear to recognize is that, because of “small rooming” and the emerging dynamics of the splinternet, they were primarily communicating with the MAHA base, actively promoting anger by the base against Secretary Kennedy, and perhaps most importantly demoralizing both the overall MAHA base including the “MAHA Moms” that became disenchanted with the Democrat Party and played such a role in tipping the 2014 election in favor of President Trump and the Republican Party. The damage was becoming significant. Over the last few days, I have had long conversations with leaders and donors backing key MAHA-aligned online publications and non-profit advocacy organizations who were deeply troubled about the anger and divisiveness that was consuming their groups over this issue of CDC pediatric and pregnancy guidance concerning the COVID-19 mRNA products.
This is the context for today’s announcement by HHS Secretary Kennedy, FDA Commissioner Makary, and NIH Director Bhattacharya. Whether reports that the prior decision not to take these steps occurred at the level of the president and his chief of staff were gossip or fact, the Trump administration has now taken yet another step towards withdrawing these products.
First we had the Secretary of Defense boldly stating that the products mandated and deployed to warfighters and other members of the Armed Services on pain of dishonorable discharge were not FDA licensed (as federal law requires) and that those orders were illegal. Then the FDA Commissioner and his chief deputy, responsible for Vaccine regulatory policy, announced “new rules” for COVID booster authorization. Then, the groundbreaking MAHA commission report. And now this.
Finally Someone Said It: @RobertKennedyJr Takes on Big Pharma Over Child COVID Vaccines
'Healthy Kids & Pregnant Women DON'T Need It' pic.twitter.com/TxJQsNWhc8
— LifeSiteNews (@LifeSite) May 27, 2025
Like many, I would prefer that these COVID gene therapy-based technology products that cause your entire body to manufacture the genetically modified, highly toxic SARS-CoV-2 spike protein for extended periods be withdrawn from the US market. On the basis of data from all over the world, approximately three years ago it was my impression that the risk/benefit ratio of these products did not merit continued use in any cohort, as the same cohorts at elevated risk for significant COVID disease or death were also at elevated risk of disease or death attributable to these genetic vaccines. But to date, that has remained a minority opinion.
Frankly, given the current political landscape and President Trump’s belief that both Operation Warp Speed and these products were one of the great successes of his first administration, I am amazed that policy changes regarding these products have advanced so quickly under Secretary Kennedy and President Trump.
But I am also under no illusion that those “influencers” promoting the attacks, targeted splintering and demoralization, and intentional damage to the MAHA movement and its momentum will tone down their breathless, angry rhetoric. After all, anger sells. It generates clicks, likes, engagement, follows, influence and revenue. And is actively exploited and driven by bot farms.
But for one brief moment, let’s celebrate the win. This is progress. This is the consequence of new leadership at HHS doing what it can to Make America (and its children) Healthy Again.
Never forget, in politics and all other things, perfect is the enemy of the good. And patience is a virtue.
Reprinted with permission from Robert Malone.
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