Does herd immunity matter?
Herd immunity protects vulnerable people by limiting disease spread. Learn why vaccines matter—even if they’re not perfect—and what happens when rates drop.
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:
Herd immunity protects vulnerable people by limiting disease spread. Learn why vaccines matter—even if they’re not perfect—and what happens when rates drop.
RSV vaccines during pregnancy are safe and protect newborns. Learn how they work, debunked claims about preterm birth, and what the latest studies show.
Thimerosal in flu shots isn’t dangerous—learn how it’s different from toxic mercury, what studies show, and why vaccines are not linked to autism or brain harm.
Despite claims, large studies comparing vaccinated vs. unvaccinated children show vaccines don’t harm kids—and do protect them from serious disease.
There’s no credible evidence linking vaccines to autism—just decades of global research showing they’re safe. Autism’s roots lie in early brain development.
Are childhood vaccines untested and not evidence-based? RFK Jr. says yes—but decades of placebo-controlled trials and expert reviews prove vaccines are safe and effective.
Do vaccines contain RoundUp? A viral video says yes—but flawed testing and basic science say no. There’s no credible evidence glyphosate is in childhood vaccines.
Do vaccines cause SIDS or other childhood health problems? A viral video says yes—but research shows vaccines are safe, lifesaving, and protect kids, not harm them.
Are childhood vaccines well-tested? Del Bigtree questions Hep B vaccine safety, but research proves vaccines undergo rigorous trials and protect against disease.
Were studies proving vaccines harm children hidden? Claims of suppressed research ignore scientific standards. See why real data show vaccines keep kids healthy.