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The Bolus Theory of Covid vaccine damage

Reading time: 13 minutes

An intriguing new theory says it’s not what’s in the jabs but how the needles are inserted that explains the rampant and varied Covid vaccine damage. Celeste McGovern investigates the Bolus Theory

As soon as the massive Covid-19 injection campaign began rolling out across the globe in December 2020, red flags followed. On day one of the launch—the much ballyhooed “V-Day” in the UK—two healthcare workers suffered anaphylactic shock from the vaccine. Within a week, six more reports of severe allergic reactions among American healthcare workers (including four at just one Chicago hospital) were reported.

By just two weeks into January 2021, the US Vaccine Adverse Event Reporting System (VAERS) had already recorded 171 deaths from the shots—more than twice the total number of deaths from all vaccines reported in the entire year before. Given underreporting to VAERS of a factor between 10 and 100 times, the signal should have halted the rollout immediately.

By February, there were scattered reports around the world of nursing home residents developing Covid infections and dying in droves right after receiving the shots. Where none had succumbed during the height of the pandemic, “outbreaks” suddenly bloomed as soon as the elderly were jabbed in care homes in the UK,1 the US,2 Norway,3 Germany,4 Canada5 and more. All these deaths were dismissed as “tragic coincidences.”

By March, blood clot deaths were on the radar. More than 40 reported deaths from blood clotting disease saw Britain’s celebrated AstraZeneca jab halted in more than a dozen countries just three months into the campaign.6 Today VAERS has recorded more than 14,000 reports of thrombosis (blood clotting) and the coagulation disorder thrombocytopenia that can lead to uncontrolled bleeding.

Then the reports of myocarditis—sometimes fatal inflammation of heart tissue—particularly in young men, began flooding in. Nearly 27,000 VAERS reports describe myocarditis and pericarditis (inflammation of the sac around the heart) today. Hundreds of case reports of the conditions following Covid shots are published in the medical literature with unmistakable evidence of vaccine involvement, such as manufactured spike protein in the affected tissue.

The years 2021 and 2022 were like a horror train carrying boxcar after boxcar of tragic adverse events, especially affecting younger people. In June 2021, the first vaccinated young athlete, Denmark’s Christian Eriksen, suffered a heart attack in play on the field—a big red flag that waved hundreds more times over the next several months.

According to one report, in prior years, there had been 66 deaths among athletes per year, but 97 were reported in January 2022 alone, then 416 in 2021, a shocking 791 in 2022, and 245 in 2023. None of these new deaths were attributed to the congenital abnormalities formerly recognized as the chief cause.7

Along with athletes collapsing on the field at a rate eight times the pre-pandemic norm, reports of neurological diseases, such as paralyzing Guillain-Barré syndrome, facial paralysis, muscle spasms and seizures, and a host of circulatory disorders were soaring.

Despite the unusual numbers, some doctors didn’t seem to make the connection between the shots and the proliferating health problems. In the medical literature, however, many were linking Covid vaccines to the onset of diseases in thousands of published peer-reviewed case reports documenting post-Covid jab reactions in every organ and system.

They describe hair loss and eye diseases, blood clotting and endocrine disorders, cancers and myocarditis, rare genital ulcers, mental illnesses and autoimmune diseases of every kind following vaccination.

Excess deaths and disability

By 2022, insurance and mortality data from around the world was confirming the “excess death” and disability rates that so many people were experiencing but the media wasn’t talking about. Younger age cohorts especially, it turned out, had death rates 40 percent higher than normal in 2021 in the US alone.8

In April, British MP Andrew Bridgen addressed the House of Commons about excess deaths in the UK in the wake of the experimental Covid vaccines. “We are witnesses to the gravest ever medical scandal in this country in living memory,” he said, outlining how the government had also recently taken steps to hide the 5 percent increase in deaths that persisted in 2023, long after the pandemic, and had erased 20,000 citizens’ deaths from its books that year.

The House of Commons was empty—only a handful of colleagues sat on empty benches—but outside, thunderous applause went up from thousands of spectators who had gathered and were listening intently on speakers.

As in America, where a 2023 poll found that nearly a quarter of people knew someone personally who had died from Covid vaccine side effects, many Britons have experienced injury.9

But what could cause such a wide-ranging scattershot of deadly and disabling harm, while at the same time leaving most people apparently unharmed? Vaccination injuries were the highest ever seen, but still many people had no adverse effects. What mechanism from a vial could lead to blood clots and damaged heart tissue, seizures, multi-organ failure, infertility and cancer in some while leaving others unscathed?

Not the what, but the how

Enter the new book The Needle’s Secret: Unraveling the Mystery of Vaccine Harm, and the Bolus Theory Revolution (Self-published, 2024) by Marc Girardot. He was an entrepreneur with an economics and business background who worked as a consultant for the automotive industry and more recently for an anti-cancer vaccine company. Then he became obsessed with faulty pandemic and Covid vaccine science and started the Bolus Theory Series on Substack (

While theories of spike protein damage, “hot lots,” and underlying genetic or other susceptibilities have been popular in explaining the roulette of vaccine injury, Girardot points to a much more obvious mechanism of potential harm: it’s not what’s in the shots so much as the way they are administered that determines the fate of the individual who gets them.

Specifically, if the 10-to-50-billion-nanoparticle payload in the needle designed to go into muscle accidentally happens to nick a blood vessel instead or goes right into a vein and unloads its cargo, or part of it, right into the circulatory system, the result is a super-concentrated “bolus” of billions of cell-hijacking particles rampaging on the body’s highways.

The difference between intramuscular and intravenous delivery is well recognized in the medical literature that Girardot cites. Some drugs, like aspirin and naproxen, are not injected intravenously because of the damage they would do to the epithelium, the lining of the blood and lymph vessels.

In the 1930s, case reports described severe allergic reactions to intramuscular pollen injections that accidentally punctured veins or venules.10 That’s why medics were trained to avoid hitting a blood vessel by first “aspirating” the needle—to inject, pull back and wait five to 10 seconds to see if any blood enters, and if so, realign. They were also taught to inject slowly to minimize the chances of rupturing a vessel.

Yet avoiding blood vessels is not always easy since even muscle tissue is rife with them, and every cell in the body is at most two cells away from some minute vasculature that feeds it.

On top of that, Girardot says, aspiration caution has been thrown to the wind in recent years in vaccine administration, especially during the Covid vaccine rollout, when administrators discouraged needle aspiration and encouraged swifter injection to avoid vaccine hesitancy and pain (see below).

The result, he says, is that 2–5 percent have intravenous delivery of the mRNA spike-producing packet. When scaled up in a global multiple-injection rollout, that translates into millions of inadvertent intravenous injections.

The IV injection magnifies the nanoparticles’ ability to “transfect” cells—to penetrate them and hijack their machinery—as they are designed to do, like a 270,000X magnifying glass. “If just 5 percent of a Pfizer shot gets into a blood vessel,” says Girardot, “that translates into up to 200 times more cells being transfected.”

Once the nanoparticles are inside the cells, these cells trigger the immune system to launch a T cell assault. The immune system then destroys the cells.

So, in the wake of an IV injection, wherever the rampaging bolus of millions or billions of nanoparticles goes, they are far more deadly than they would have been in the muscle tissue of the arm, Girardot explains. They mark everything they manage to invade for destruction by the most intense defense system in the world—the human immune system.

Blood clots and circulatory disorders

The Bolus Theory could explain, then, the huge diversity of recorded adverse events. It explains why the majority of these affect the circulatory system: blood clots, aneurysms, strokes and pulmonary embolisms. These are all caused by concentrated T cell attacks, like a carpet-bombing of vessel walls with varying outcomes.

It explains why many vaccine-injured people described a metallic taste in their mouths when they received their shots, which is an indicator of an intravenous injection. Some autopsies have found concentrated immune attacks.11

It also explains “white clot syndrome”—the phenomenon of rubbery, calamari-like white clots that embalmers said they were seeing for the first time in 2021 and have seen since in many cadavers, which have been featured in various videos online.

“They’re like a Band-Aid on endothelial damage,” Girardot told WDDTY. “They’ve been seen before in the medical literature. They’re made of a natural protein, fibrin, made to repair the damage.”

However, he adds, the body has not been made or evolved to encounter such extensive internal endothelial damage. The check or repair inhibition mechanisms are damaged (or depleted), and the fibrin may be overproduced.

Girardot also points to animal studies in which intravenous injections of Covid-19 vaccines resulted in myocarditis and blood clotting disorders,12 as did IV injections of other vaccines.13

“These are reproducible effects,” he says. He also points to the harrowing case of six-year-old Milo Edberg of Missouri, who had been born prematurely and was in the hospital to have a blood port placement in December 2021. His doctor insisted he be vaccinated against Covid but decided to administer the jab directly into his blood port at a slower rate than injection—but not slow enough.

Two days later, Milo was back in the hospital, unable to breathe or swallow. He was diagnosed with myocarditis and blood clots and spent the next six weeks intubated and four months in the hospital.

Girardot goes on to explain how the size of the bolus, where it’s circulated and the way it divides and diminishes in the victim determines the sort, or multitude, of symptoms they experience. Penetration of the blood-tissue barriers, the cells that regulate what can be exchanged between the blood vessels and the tissue, by the vaccine lipid nanoparticles would mark the penetrated tissues for subsequent destruction by immune T cells.

“This would be particularly harmful in areas where the blood-tissue barrier is especially tight: the brain, the lungs, the nervous system, the ovaries, the placenta, the retina, the testes, the thymus . . .”

Damage to any one of these linings would be associated with a host of diseases for each tissue. It would explain the onset of Parkinson’s and Alzheimer’s, damage to unborn babies and compromised fertility as well.

He also thinks it could explain the hormonal imbalances that followed for many vaccine victims. A bolus to the pancreas would wipe out beta-cell production and lead to diabetes, for example.

“It’s a lottery,” he says. It’s a lottery that has been going on for a long time with all vaccines, not just Covid shots, he adds. Every vaccine has the potential to trigger immune destruction as the Covid shots do, and to go intravenous instead of intramuscular. So do allergy shots, dermal fillers, anesthetics and even some vitamins, such as injected vitamin K.


Most terrifying is how Girardot thinks the Bolus Theory might explain the sudden rise in cancers, including so-called turbo cancers—the hyper-progressive, quick-killing cancers that have emerged in the past few years, affecting particularly younger people with astonishing ferocity.

He points to published medical literature in which dozens of case reports describe cancers emerging or accelerating shortly after Covid vaccination; lymphomas,14 pituitary tumors,15 colon cancers16 and more.

There is emerging science favoring stem and progenitor cells as the originators of cancer. These are “privileged” cells that the immune system knows not to destroy because they are regenerator cells that can produce various other types of cells indefinitely, but progenitor cells are more specified and cannot differentiate into as many cell types.

Since they already have the properties of cancer naturally, they have immune privilege, they can command an ecosystem of vessels around them to grow, they have high replication potential, and more, it makes sense that cancers would start in them and that the immune system couldn’t destroy them.

It’s possible, says Girardot—much more possible with an IV injection than with an intramuscular one—that mRNA lipid nanoparticles could invade stem and progenitor cells and contaminate their DNA. This insult, he thinks, explains why you see continued spike protein production in some people: the immune system doesn’t destroy the producing cells because of their immune privilege. They have protected no-kill status.

Depending on what kind of stem or progenitor cell is hit, various kinds of cancers might result, according to the “hierarchy” of the target cell. The higher up the stem cell hierarchy, the more severe the cancer.

“It’s likely that we’re just beginning to see the tip of the iceberg in terms of new cancers from this,” Girardot says. “It’s going to be huge.”

Pfizer is certainly counting on it. Albert Bourla, the company’s chief executive officer, told press last year that Pfizer had rolled $43 billion into its new cancer therapy that would be delivered “at a scale that has not been seen before” and with “potential for significant growth.”17

It’s an ominous pharmaceutical future. “I have a personal vision,” says Girardot, “that doctors make amends for their utterly despicable behavior these past few years and try to find solutions for the people who have been harmed by these injections.”

To start healing, he suggests hyperbaric oxygen therapy and other treatments (see below). If the future is not Armageddon, he says, “it’s an opportunity for a monumental health reset.”

Undoing bolus damage

A tornado of destructive nanoparticles in a vaccine has gone into the circulatory system and stripped vessels of their lining, or endothelium, triggering a blood clotting reaction. Or it has been shunted into a vital blood-tissue barrier, bombarding it and leaving a sieve-like membrane behind. What can be done to help the body repair the damage?

Hyperbaric oxygen therapy

Marc Girardot says there’s hope in hyperbaric oxygen therapy (HBOT), which has been approved by the US Food and Drug Administration for repairing radiation-induced tissue damage, crush and burn injuries, and chronic wounds and has shown promising results in ameliorating symptoms of neurodegenerative diseases like Alzheimer’s as well as inflammation like that accompanying Covid vaccine damage.1

HBOT has been shown to increase stem and progenitor cells to repair damage from various types of injuries.2

Girardot thinks a series of 40 sessions at pressures of 1.5–1.75 atm in a hyperbaric chamber may help reverse bolus damage.

Find a hyperbaric oxygen therapy provider near you.

Nattokinase, bromelain and curcumin

Renowned cardiologist Peter McCullough has recommended a treatment protocol for those with vaccine injury or long Covid symptoms. It consists of nattokinase, bromelain and curcumin—all widely available over-the-counter supplements.3

Nattokinase, an enzyme derived from the fermentation of soybeans, has traditionally been used in Japan for cardiovascular benefits and possesses direct fibrinolytic activity, meaning it can be used to dissolve blood clots, according to research McCullough cites.

It’s safe except in cases of excessive bleeding and when combined with some medications, such as warfarin. He recommends starting with a dose of 2,000 FU twice daily, then adjusting based on symptoms.

A recent Chinese study found that a “safe and tolerated” nattokinase dose of 10,800 FU/day effectively managed the progression of atherosclerosis and hyperlipidemia, significantly improving the lipid profile, reducing thickness of the carotid artery and plaque by 66.5 to 95.4 percent. However, it was found to be ineffective at a dose of 3,600 FU/day.

Effects were more prominent in subjects who smoked or drank alcohol and in those with a higher BMI. Regular exercise further improved the effects, and so did vitamin K2 and aspirin.4

Bromelain, an enzyme found in pineapple stems, has long been hailed for its healing, anticoagulant and anti-inflammatory properties, particularly in cases of arthritis and injury. It has a safe profile but can amplify bleeding. Dr McCullough recommends 500 mg of bromelain daily.

Curcumin from turmeric has long been recognized for its antiviral and anti-inflammatory properties. It is also anticoagulant. Dr McCullough recommends 500 mg twice daily.

See Healthy shopping: Supplements for Covid vaccine injury for more information.

Intermittent fasting

Theoretically, says Girardot, intermittent fasting, which gives the body a break from metabolic waste, would “reduce deposits, inflammation and deleterious domino effects.” It would also give an aging immune system more time to clean up the deposits, improving the situation.

Studies have shown it benefits those with a wide range of conditions, from cardiovascular disease and cancer to metabolic disorders like diabetes.5

A medical coder speaks out

In a recent interview with Children’s Health Defense, a hospital medical coder who goes only by “Zoe” described the horrors she witnessed in the wake of the massive Covid vaccine rollout at her workplace: encephalitis, gangrene of the spine, blood clots, seizures and multiple organ failure.1

“I didn’t know it was possible for a human to die so horrifically, so quickly, before they rolled out the mRNA injections,” she said. “It was insane. I’ve never seen anything like that.

“The worst of them, they called it sepsis, but it was like instant multi-organ failure. Like, within hours patients would die of liver, lung, kidney . . . failure,” Zoe said. She added that in records from the emergency crews that found the deceased, it seemed “like their body tried to reject everything . . . some of these cases, their family would be there 30 minutes before, and then within an hour they’re dead.”

Some patients were suffering seizures “for days” and medications would fail to help, she said, adding that “eventually they kind of had to be put down.”

“They called it encephalitis, or encephalopathy, and then later on, even the coding organization . . . [called it] Covid-19-associated encephalitis,” Zoe added.

She described the incidents of blood clots in the wake of the rollout as “insane,” too. Unlike ever before, doctors were using multiple stents (medical-grade tubes) to open vessels at the same time in different locations in a single patient’s body.

“There were people that were hiking in their 20s that were totally healthy, that had been running marathons, that suddenly needed a leg amputated because they had a massive blood clot going from their hip all the way down their leg, and it couldn’t be saved.”

Doctors, Zoe said, were just “baffled. They would just say, ‘It’s a stroke. It’s a heart attack. It’s a blood clot.’ And then they would never connect the two.”

Aspiring to safer jabs

Healthcare providers began using intramuscular injections to administer vaccines in the 1920s, and the extra step of aspiration was added soon afterward, as reports of negative reactions to injections arose.

But in the early 2000s, leading institutions like the World Health Organization discarded the recommendation to aspirate for a variety of reasons:

  • Research shows no evidence of benefit.
  • Research shows no evidence of harm when it’s not done.
  • It results in waste of vaccine doses.
  • It requires two hands, making control harder and possibly leading to injury.
  • It’s unnecessary because recommended injection sites have no major blood vessels.
  • It takes longer, increasing pain.

Pain and its deterrent effect on regular vaccination seem to be the most cited reason for the change. Then there’s the increasing use of auto-disabled syringes, which retract the needle automatically after the plunger has been fully depressed. This design doesn’t allow aspiration.

How valid are these reasons? Girardot provided evidence that harm occurs when intramuscular injections enter blood vessels.

Regarding the argument that the deltoid, the specified injection site for the Covid vaccines, has no major blood vessels, one study found that 40 percent of nurses had seen blood while aspirating. It happened in 12 percent of deltoid injections—the second most common site after the buttocks (15 percent).1

And imprecise intramuscular injections can cause problems even if they don’t enter blood vessels. For example, an Australian study looked at adults who suffered shoulder injuries after deltoid injections and found the cause was injection into the joint space or the bursa, a fluid-filled sac that cushions the shoulder joint, a result of injecting too high in the shoulder.2

Despite the change in recommendations, many nurses continued to aspirate, though one study found 97 percent did so for less than five seconds,3 short of the time required for it to be effective. If studies aren’t carefully examining the jab technique, their findings regarding aspiration’s effectiveness may be moot.

Study after study states that there’s no solid evidence for or against aspiration and that more thorough, well-controlled studies are necessary. Until then, perhaps the answer—for those who choose to vaccinate—is to take great care with injection techniques, including aspiration. Better safe than sorry.

Hannah Skaggs



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Main references
  1. Ryan Evans, “Coronavirus Outbreak: 22 Deaths at Pemberley House Care Home,” Jan 27, 2021,
  2. James T. Mulder, “Covid-19 Outbreak at Auburn Nursing Home Infects 137 Residents, Kills 24,” Jan 9, 2021,
  3. Hamish Goodall, “29 Elderly Norwegians Died after Taking Pfizer Covid Jab—So Should We Be Concerned?,” Jan 17, 2021,
  4. Stefan Hilser, “Eleven Deaths in the Retirement Home Park: According to the Mayor, a ‘Tragic Coincidence’ and Unrelated to the Vaccination Appointment,” Jan 25, 2021,
  5. Guy Quenneville, “Saskatoon Care Home Where 243 Residents Received 1st Vaccine Dose Reports 7 Covid Cases,” Jan 21, 2021,
  6. Al Jazeera, “Which Countries Have Stopped Using AstraZeneca’s Covid Vaccine?,” March 15, 2021,
  7. Real Science blog, “2111 Athlete Cardiac Arrests or Serious Issues, 1483 of Them Dead, Since COVID Injection,” 2024,
  8. Edward Dowd, Cause Unknown: The Epidemic of Sudden Deaths in 2021 and 2022 and 2023, Revised ed. (Children’s Health Defense, 2024)
  9. Rasmussen Reports, “Killer Jab? 24% Say Someone They Know Died From COVID-19 Vaccine,” Nov 2, 2023,
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  13. Mol Ther, 2010; 18(3): 609–16
  14. Front Med (Lausanne), 2021: 8: 798095; Br J Dermatol, 2021; 185(6): 1259–1262
  15. Front Surg, 2023; 10: 1220098; Front Endocrinol (Lausanne), 2022; 13: 1035482
  16. Baron S. Ekeledo, Ashika Chacko, and Fatimah Bello, "Colon Cancer Presenting with Deep Venous Thrombosis (DVT) in a Hispanic Woman," ICCHD Research Symposium 2023,
  17. Annika Kim Constantino, “Pfizer CEO Says It Will Be Able to Deliver Seagen’s Cancer Therapy at a Scale Not Seen Before with $43 Billion Deal,” March 13, 2023,
Undoing bolus damage references
  1. Biomedicines, 2022; 10(12): 3145; GeroScience, 2023; 45(2): 747–756
  2. Am J Emerg Med, 2021: 42: 95–100
  3. Cureus, 2023; 15(11): e49204
  4. Front Cardiovasc Med, 2022; 9: 964977
  5. N Engl J Med, 2019; 381(26): 2541–2551; Nutrients, 2019; 11(3): 673
A medical coder speaks out references 1.Children’s Health Defense, “Medical Coder during Covid,” 27:09, April 15, 2024,   Aspiring to safer jabs references
  1. Clin Nurs Res, 2016; 25(5): 549–59
  2. Aust Fam Physician, 2016; 45(5): 303–6
  3. Arch Pediatr Adolesc Med, 2006; 160(4): 451–453
JUN24, 'The needle’s edge'
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