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The safety profiles of authorized COVID-19 vaccines, including the frequency of adverse effects and rare serious events.
most commonly causes local reactions—pain, swelling, and redness at the injection site—and short-lived systemic symptoms such as fatigue, muscle aches, headache and fever in adults, and irritability, ...
was a prominent conservative influencer who repeatedly promoted skeptical and conspiratorial takes about and the vaccines—claims that independent fact‑checkers and science reviewers judged to be incor...
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 ...
Respiratory syncytial virus (RSV) vaccines are new prevention tools designed to reduce severe RSV illness in infants, pregnant people, and older adults; regulatory rollouts since 2022 have produced ma...
are not categorically harmful: the bulk of high-quality scientific evidence finds that approved vaccines have a strong safety record and that their public-health benefits generally far outweigh the sm...
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...
Henry Ford Health has consistently said the unpublished 2020 draft was never advanced because it failed to meet the institution’s scientific standards — describing the data and analyses as flawed and ...
Randomized clinical trials and subsequent large-scale observational studies have repeatedly shown that substantially reduce symptomatic disease, hospitalization, intensive care use, and death, while h...
has repeatedly endorsed a wide range of commercial supplements and single-ingredient “health” products over the years — from branded multivitamin drinks like to popular weight‑loss extracts such as gr...
Across multiple and international surveillance systems, serious adverse events (SAEs) after are uncommon and, for the two main SAEs of interest—/pericarditis and —generally occur at rates similar to o...
A comprehensive reading of the scientific literature and official reviews finds no credible evidence that routine childhood vaccines cause sudden infant death syndrome (SIDS); major public-health bodi...
Yes — across decades of randomized trials, large real‑world studies, and systematic reviews, Covid‑19 vaccines clearly reduce the risk of symptomatic infection and, most importantly, cut the risk of s...
The clustering of first recognized autistic signs soon after the routine shot is, in large part, an expected temporal coincidence: MMR is routinely given at the same age when neurodevelopmental differ...
The evidence assembled across peer-reviewed studies and public health guidance indicates that continues to meaningfully reduce the risk of infection, severe illness, hospitalization and death—benefits...
Recombinant and cell‑culture influenza vaccines are manufactured without eggs and therefore avoid egg‑adapted mutations that can alter the vaccine virus’s hemagglutinin antigen; immunologic and observ...
Repeated dosing of Prevnar 20 is not documented in the available prescribing information or public summaries to cause a higher rate of severe allergic reactions or -after-covid-19-vaccination">anaphyl...
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 ...
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...
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...
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...