Index/Topics/Vaccine safety

Vaccine safety

The safety of vaccines, including the potential risks and benefits of vaccination, particularly in relation to cancer detection and progression.

Fact-Checks

9 results
Jan 18, 2026
Most Viewed

How do long-term outcomes compare between people with long COVID after infection versus people reporting prolonged symptoms after vaccination?

Vaccination reduces the risk and severity of long COVID after SARS‑CoV‑2 infection in multiple large studies and meta‑analyses, while reports of prolonged symptoms following vaccination exist but are ...

Jan 17, 2026
Most Viewed

What independent validations or reanalyses of the 2025 Seoul cancer–vaccine cohort have been published?

The Seoul 2025 cohort study linking COVID-19 vaccination to a higher 1‑year cancer incidence has prompted several independent critiques, methodological reanalyses and media dissections rather than a s...

Jan 20, 2026

Could vaccine-induced immune effects (eg, transient immunomodulation) influence cancer detection or progression?

Vaccine-induced immune effects can, in principle, influence cancer detection and progression through well-described immunologic mechanisms, and there is emerging clinical and preclinical evidence for ...

Jan 8, 2026

are there studies looking at SIDS deaths in vaccinated vs unvaccinated infants?

Extensive research has asked precisely whether sudden infant death syndrome (SIDS) is more common in vaccinated versus unvaccinated infants; the bulk of large epidemiologic studies and authoritative r...

Jan 8, 2026

is the study showing increased infant deaths after 2 month vaccinations a good study?

A recent preprint claims infants vaccinated at the 2-month visit were more likely to die in the subsequent month based on linked Louisiana immunization and death records, but the study’s design, sampl...

Jan 7, 2026

The post asserts that RFK Jr. spreads personal, unscientific vaccine opinions and falsely presents them as CDC conclusions.

Reporting shows Robert F. Kennedy Jr. has long promoted views that contradict mainstream vaccine science and, since becoming HHS secretary, has used his authority to change CDC policy and messaging in...

Jan 6, 2026

Does big pharma pay researchers to make us believe vaccines work?

Big pharmaceutical companies do fund and sponsor a large share of vaccine and drug research, and that funding creates real incentives and documented distortions in what gets studied, published, and pr...

Jan 6, 2026

What methodological flaws did critics identify in the unpublished vaccinated vs. unvaccinated study featured in An Inconvenient Study?

The unpublished Henry Ford vaccinated vs. unvaccinated study showcased in the film An Inconvenient Study was widely criticized for multiple, interlocking methodological flaws that reviewers said made ...

Jan 6, 2026

How has Henry Ford Health publicly explained its decision not to publish the study referenced in the documentary?

Henry Ford Health has consistently said the unpublished 2020 draft was never advanced because it failed to meet the institution’s scientific standards — describing the data and analyses as flawed and ...