What are the actual risks of COVID vaccines?
COVID vaccines have rare side effects, mostly mild. Myocarditis is valid but less than from COVID itself; studies show no link to infertility or miscarriage.
We debunk the latest vaccine misinformation each week in our Just the Facts: Correcting this week’s disinformation newsletter. Browse the other Just the Facts Newsletter Topics by clicking the link below:
COVID vaccines have rare side effects, mostly mild. Myocarditis is valid but less than from COVID itself; studies show no link to infertility or miscarriage.
COVID vaccines do not cause cancer. A cited South Korean study was retrospective, not causal. The SV40 promoter flagged is a removed lab tool.
Vaccines do not cause the diseases they prevent. Killed, weakened, and mRNA vaccines cannot grow, spread, or cause infection.
A DoD review found COVID infection raised more health risks than vaccination, contrary to claims the shots harmed service members.
Stray foreign DNA virtually cannot reach or alter your own DNA, contrary to COVID vaccine fears. Multiple cell barriers block or destroy it first.
No child deaths were definitively linked to COVID vaccines, the FDA says. Ron Johnson’s 39,000 figure relies on VAERS, which can’t prove cause.
No evidence shows COVID vaccines cause sudden death years later. Lancet and JAMA studies link mRNA shots only to rare, mild myocarditis.
A new rumor claims that hantavirus is listed as an adverse reaction in the package inserts for a COVID vaccine.
A video from a COVID roundtable discussion led by Senator Ron Johnson is going around again. In it, Senator Johnson says that government officials ignored warning signs that COVID vaccines might cause serious side effects and hid this information from the public.
People are still, in the year 2026, asking for blood from unvaccinated donors.