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Vaccine Safety



Soon after mass vaccinations began in January 2021, reports of serious adverse reactions following the injections began to surface worldwide and still more are being documented.[1][2]

The government acknowledged that there would be significant amounts of people with mild short-term side effects but that it was better to take the shot anyway.[3] The more serious adverse reactions were dismissed as having no proven link to the vaccination.[4]

As time passed, doctors began voicing their concerns.[5][6][7] Of particular concern were the adverse effects on younger people, since they are at a much lower risk from COVID.  The Israeli Public Council of experts called for suspending vaccinations of people under 30,[8] as did a group of physicians from Sweden,[9] and America's Frontline Doctors (AFLDS)[10] in the U.S.

Early on, experts warned that these vaccines could cause significant damage to people’s health.[11][12][13][14]

Data showing significant Adverse Events  

A study from Germany found that states with higher vaccination rates had higher excess mortality than less vaccinated states.[15]

During the vaccine campaign, England,[16] Scotland,[17] Israel,[18] and Queensland, Australia,[19] all saw 25 – 40% increases in ambulance calls for heart conditions among young people. 

Germany's largest health insurer, Techniker Krankenkasse, revealed that 1 in 25 clients underwent medical treatment for COVID vaccine side effects, an increase of 3000% over the previous years. The determinations that the medical treatments were related to vaccination were made internally by the insurer and were made public only after a freedom of information request.[20]

The U.S. Bureau of Labor Statistics records the number of Americans 16 years and over with disabilities. This population remained stable from 2016 to 2020 but jumped sharply in early 2021[21] coinciding with the rollout of COVID injections.

The Israeli Ministry of Heath conducted a survey[22] of those who received a COVID booster. It revealed significant adverse reactions; 0.29% had to be hospitalized, while 29% reported difficulty performing daily activities, and 4.5% reported neurological problems.[23] 

The German Heath ministry reported that the rate for serious reactions, according to their own data, is 0.2 reports per 1,000 vaccine doses (1 in 5000 doses).[24]  

One study looked at data collected from vaccine recipients in 11 European countries. According to the data, 0.2-0.3% reported at least one serious adverse reaction after receiving the first and/or the second dose, and the first booster.[25] This study showed SAE in about 1 in 500 – 1 in 350 per dose)

The CDC produced a report based on data collected over a one-month period using their own V-Safe program, (a voluntary, smartphone-based U.S. vaccine safety surveillance system). The report states, "among 22,191 additional dose recipients, a total of 7,067 (31.8%) reported health impacts, and approximately 28.3% (6,287) reported they were unable to perform normal daily activities, most commonly on the day after vaccination. Medical care was sought by 401 (1.8%) registrants, and thirteen (0.1%) were hospitalized."[26]

Interview with Dr. Clare Craig

Cardiovascular Events

A study looking at teenagers in Thailand found that about 29% of vaccine recipients experienced documented cardiovascular events, including 17% (54 out of 301) who had abnormal electrocardiograms.[27] 

An Israeli study found that "males of all ages had myocarditis occur at 0.64 cases per 100,000 persons after the first dose and 3.83 cases per 100,000 after the second dose -- with the incidence increasing to 1.34 and 15.07 per 100,000 after the first and second doses, respectively, for teenage boys ages 16 to 19."[28] 

Some have suggested that the risk of myocarditis is higher after a COVID infection. Even if it were, it would need to be divided by the chances of getting infected. Nevertheless, an Israeli study found no increase after COVID infections, concluding, "we did not observe an increased incidence of neither [sic] pericarditis nor myocarditis in adult patients recovering from COVID-19 infection."[29] 

While other studies have found an increase in myocarditis after COVID infections, a study for the University of California found that boys aged 12-17 are 6.1 times more likely to be hospitalized for heart conditions after a second COVID vaccine dose than they are of being hospitalized from COVID.[30] 

SAEs in Moderna and Pfizer studies.

A study by the editor of the British Medical Journal looked at the risk of experiencing a Serious Adverse Event (SAE) in both the Pfizer and Moderna randomized controlled trials. These were the RCTs that were used to get Emergency Use Authorization. 

The study compared the vaccine group to the placebo group and found an "absolute risk increase of serious adverse events of special interest of 12.5 per 10,000"[31] compared to the placebo group. 

The study continued by stating that “The excess risk of serious adverse events of special interest surpassed the risk reduction for COVID-19 hospitalization relative to the placebo group in both Pfizer and Moderna trials (2.3 and 6.4 per 10,000 participants, respectively).” 

Interview with Dr Aseem Malhotra, a cardiologist who was one of the first people in the UK to take the COVID vaccine and then promoted it on television.

Adverse events reporting 

The Vaccine Adverse Event Reporting System (VAERS) which is “a national early warning system to detect possible safety problems in U.S.-licensed vaccines,”[32] tallied over 29,000 deaths associated with the COVID vaccines alone.[33] Reported deaths in connection to the COVID vaccines total more than all vaccines-related deaths over the past 31 years, combined.[34]

Source: https://openvaers.com/covid-data

A similar phenomenon is observed in the European reporting system,[35] and at the World Health Organization (WHO).[36]

In addition to deaths, other serious adverse reactions leading to permanent disability, hospitalization, or threatening the patient’s life have been reported.[37]

In July 2021 the CDC acknowledged an error in the VAERS reporting system that led to the near doubling of COVID vaccination deaths.[38] At around the same time a whistleblower came forward with a sworn declaration stating that the actual number of reported deaths was closer to 45,000.[39]

The CDC was obligated to look into these adverse event reports, but according to a response to a Freedom of Information Act (FOIA) request, the CDC has not fulfilled its obligation.[40]

Data quality and underreporting

Since these cases are self-reported and have not been confirmed as having been caused by the vaccination, it is difficult to say exactly how many are a result of the vaccines. However, most reports are submitted by healthcare workers[41] and false reporting is a violation of Federal law punishable by a fine and imprisonment.[42]

Another issue to consider is that adverse events are under-reported to the system, so the real number of adverse events is higher than reported. The question is by how much?

Anaphylaxis is a good example because anaphylaxis reactions occur within minutes of injection, so there is a higher chance that they would be related to the vaccine and reported.  Still, they are significantly under-reported.

One study found 2.47 anaphylaxis reactions per 10,000 vaccinations occurring shortly after the vaccination, but only 0.025 - 0.11 per 10 000 vaccinations were reported to VAERS.[43] This is equivalent to 50 to 120 times more cases than what VAERS and the CDC are reporting. Put differently, only 0.8 to 2 percent of all cases of anaphylaxis are posted to the VAERS.[44]

A study from November 2012 published a systematic review of Adverse Drug Reactions (ADRs).  The paper examined 37 studies and found that “the median under-reporting rate across all studies was 94%.” Even serious or severe ADRs were 85% - 95% were under-reported.[45]

In the original Pfizer trial report for the COVID vaccine, 0.7% of vaccine recipients suffered SAEs (Serious Adverse Events), [46] based on that there should be 2.4 million SAEs among American vaccine recipients. However, as of August 2021, there were only around 78,000 in the VAERS database, suggesting a 30:1 underreporting rate for SAEs [47] or there were dramatically more SAEs in the Pfizer trial. 

BKK ProVita, a German health insurance provider examined doctors' visits involving COVID vaccine injuries and found some 217,000 people received medical treatment for a vaccine injury. Extrapolated to the whole Germany population that would be about 2.5-3 million people. However, there were only about 243,000 official reports at the time in all of Germany. The report concludes, ". . . there is a very considerable under-recording of suspected cases of vaccination side-effects after they received the [COVID-19] vaccine."[48]

It's impossible to know how much the under-reporting rate is, but among the different estimates, all show significant under-reporting.[49]

Pfizer overwhelmed by Adverse Event reports.

Pfizer itself received over 150,000 reports of adverse reactions including 1,200 deaths by March 2021 - after only 3 months on the market.[50] So many reports were coming in that the company had to hire 1,800 more full-time employees to handle the workload according to its reports with the FDA.[51]   


Just because there are adverse events following vaccination, does not mean the vaccine caused the event. The Bradford Hill criteria which is widely used in public health research is a set of nine principles that can be useful in establishing epidemiologic evidence of a causal relationship.[52] Dr. Peter McCullough,[53] cardiologist and epidemiologist explains how causation can be shown in this situation.   

Vaccine injury risk vs COVID risk

It is worthwhile noting that if these suspected vaccine deaths were catalogued using the same criteria used to catalogue COVID deaths, they would all be considered vaccine deaths since the vaccine is a suspected contributing cause of death. However, this point speaks more to the absurdity of defining a COVID death, than it does in showing vaccine injury. Once COVID deaths are defined the same way that other causes of death are defined, a fair comparison can be made. 

Previous unsafe vaccines: 

Other vaccines with much safer profiles have been pulled from the market in the past. For example, the Rotavirus vaccine was suspended[54] by U.S. authorities in the late 1990s after 100 babies became ill, and one died out of approximately one million doses. The vaccine was pulled from the market even though officials stated that “no firm link had been drawn between the vaccine and the children's illnesses.”[55] The 1976 swine flu vaccine was pulled from the market[56] after 500 people contracted Guillain-Barre syndrome and were associated with 25 deaths out of 43 million doses (1 in 17 million).

There was no conclusive proof that these relatively few deaths were a result of the vaccine, yet the government halted the entire vaccination campaign. As of July 2022, there are over 29,000 deaths in question, yet the government still maintains the COVID vaccines are safe.


Lists of COVID vaccine safety studies:

1000 Peer-Reviewed Studies Questioning COVID-19 Vaccine Safety (Jan 2022):


750+ Studies About the Dangers of the COVID-19 Injections (April 2022)


1250+ COVID Vaccine Publications and Case Reports (July 2022)



Email questions or comments to frontlinepedia@aflds.org 







“The higher the vaccination rate, the higher the excess mortality.”


"To date, Pfizer has onboarded approximately 600 additional full-time employees (FTEs). More are joining each month with an expected total of more than

1,800 additional resources by the end of June 2021." (page 6)


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