Pfizer has published the list of side effects from COVID vaccine inclu…

What was claimed

Pfizer has published the list of side effects from COVID vaccine including blood clots, cardiac arrest, turbo cancers, neonatal death, and many more - so they're not safe and effective, Fauci lied millions died

Our verdict

Inaccurate

AFP reports that Pfizer did not publish the viral list, and the listed conditions do not match official side-effect records. FDA and Pfizer materials confirm some side effects, but not the broad set claimed here. No evidence indicates that the Pfizer-BioNTech and Moderna mRNA COVID-19 vaccines are associated with the same risk of blood clots. While myocarditis and pericarditis have been reported in rare cases, blood clots are not an established side effect of mRNA vaccines.

2 of 3 AI systems agree16 sources citedChecked Aug 8, 2026

Check your own claim

Paste any statement, headline, or AI answer — 3 independent AIs verify it in seconds, with sources.

Key findings

Blood clots are a side effect of the Pfizer vaccine

Incorrect90%

1 AI checked

Pfizer has published the list of side effects from COVID vaccine including blood clots, cardiac arrest, turbo cancers, neonatal death, and many more

Incorrect97%

4 of 7 AIs agree·ChatGPT: Misleading, Perplexity: Can’t verify, Perplexity: Can’t verify

Turbo cancers are a side effect of the Pfizer vaccine

Incorrect98%

1 AI checked

Cardiac arrest is a published side effect of the Pfizer vaccine

Misleading85%

1 AI checked

These vaccines are not safe and effective

Misleading90%

2 of 3 AIs agree·Claude: Incorrect

Fauci lied, millions died

Can’t verify41%

All 4 AIs agree

Verified against 16 sources

Detailed Analysis

The claim mixes a few real listed adverse events with multiple false or unsupported assertions. Official Pfizer/FDA materials list some side effects such as myocarditis, pericarditis, allergic reactions, and common reactogenicity symptoms, but they do not support claims about "turbo cancers," neonatal death, or that Pfizer published a broad list proving the vaccines are unsafe. Claims that Fauci "lied" and that "millions died" are not established by the provided sources.

Why this verdict

The claim mixes a few real listed adverse events with multiple false or unsupported assertions.
Official Pfizer/FDA materials list some side effects such as myocarditis, pericarditis, allergic reactions, and common reactogenicity symptoms, but they do not support claims about "turbo cancers," neonatal death, or that Pfizer published a broad list proving the vaccines are unsafe.
Claims that Fauci "lied" and that "millions died" are not established by the provided sources.

Claims checked

COVID vaccine side effects include neonatal death

Incorrect96%

The cited official Pfizer/FDA side-effect listings do not include neonatal death.[1] [2] [6] AFP found the viral list to be inaccurate and not published by Pfizer.[12]

This claim may mislead readers without added context.

Pfizer has published the list of side effects from COVID vaccine including blood clots, cardiac arrest, turbo cancers, neonatal death, and many more

Incorrect97%

AFP reports that Pfizer did not publish the viral list, and the listed conditions do not match official side-effect records.[12] FDA and Pfizer materials confirm some side effects, but not the broad set claimed here.[1] [2]

This claim may mislead readers without added context.

COVID vaccine side effects include turbo cancers

Incorrect99%

No provided authoritative source supports "turbo cancers" as an established vaccine side effect. AFP specifically says the viral list does not reflect official vaccine safety records.[12]

This claim may mislead readers without added context.

What other AI think

The statement contains multiple significant factual errors and misrepresentations. Pfizer did not publish a list of side effects including "turbo cancers" or neonatal death—these are not established vaccine side effects. The claim conflates adverse event reports (unverified reports) with confirmed side effects, and makes false conclusions about vaccine safety and effectiveness that contradict clinical trial data.

Why this verdict

The statement contains multiple significant factual errors and misrepresentations.
Pfizer did not publish a list of side effects including "turbo cancers" or neonatal death—these are not established vaccine side effects.
The claim conflates adverse event reports (unverified reports) with confirmed side effects, and makes false conclusions about vaccine safety and effectiveness that contradict clinical trial data.

Claims checked

Blood clots are a side effect of the Pfizer vaccine

Incorrect90%

No evidence indicates that the Pfizer-BioNTech and Moderna mRNA COVID-19 vaccines are associated with the same risk of blood clots. While myocarditis and pericarditis have been reported in rare cases, blood clots are not an established side effect of mRNA vaccines.

This claim may mislead readers without added context.

The vaccines are not safe and effective

Incorrect92%

All COVID-19 vaccines that have published phase III clinical trial data have excellent efficacy, and the risk of adverse events is acceptable. Side effects after the Pfizer-BioNTech vaccine are usually mild and self-limited, and anaphylactic shock or severe reactions are rare. Recent CDC data reported COVID-19 vaccines prevented over 107,000 hospitalizations, 18,000 ICU admissions, and 6,700 in-hospital deaths in the United States in one year.

This claim may mislead readers without added context.

Pfizer has published the list of side effects from COVID vaccine including blood clots, cardiac arrest, turbo cancers, neonatal death

Incorrect95%

Pfizer documents contain adverse event reports, which are not the same as side effects, and Pfizer explicitly stated that an accumulation of adverse event reports does not necessarily indicate that a particular adverse event was caused by the drug. Only two of the conditions on the lengthy list could be found on Pfizer-BioNTech's list of actual side effects as of 2024. It has not been shown that COVID-19 vaccines cause or accelerate cancer, and a mouse study does not prove the Pfizer vaccine induced turbo cancer. No credible evidence supports neonatal death as a published side effect.

This claim may mislead readers without added context.

The statement mixes true facts with misleading and unverified assertions. Pfizer does publish safety labeling and adverse-event tables that list many reported events, but those listings do not mean Pfizer confirmed causation and are often misrepresented online. Claims about overall vaccine safety/effectiveness and that "Fauci lied millions died" are broad, context-dependent, and not supported as stated by authoritative fact-checkers and regulators.

Why this verdict

The statement mixes true facts with misleading and unverified assertions.
Pfizer does publish safety labeling and adverse-event tables that list many reported events, but those listings do not mean Pfizer confirmed causation and are often misrepresented online.
Claims about overall vaccine safety/effectiveness and that "Fauci lied millions died" are broad, context-dependent, and not supported as stated by authoritative fact-checkers and regulators.

Claims checked

Pfizer has published the list of side effects from COVID vaccine including blood clots, cardiac arrest, turbo cancers, neonatal death

Misleading88%

Pfizer’s labeling and adverse-event tables (publicly available) include many reported events such as thrombosis, cardiac arrest, stillbirth/neonatal death entries, but those listings are pharmacovigilance reports and do not establish causation; the term "turbo cancers" is not a recognized medical condition and is not an item in Pfizer’s official labeling.

This claim may mislead readers without added context.

so they're not safe and effective

Misleading90%

Regulatory reviews (FDA, EMA and others) have concluded authorized COVID-19 vaccines are safe and effective for approved uses; isolated lists of reported adverse events do not by themselves overturn large bodies of safety and efficacy evidence.

This claim may mislead readers without added context.

Fauci lied millions died

Can’t verify70%

Broad accusations that Dr. Anthony Fauci "lied" in a way that caused "millions" to die are political and time-sensitive; fact-checking organizations find many claims about Fauci to be misleading or lacking evidence of intentional deception, so this specific causal accusation cannot be verified as stated.

Share this result

Try DoubleChecks