Claim: "I don't know who needs to hear this but Polio and smallpox never reached natural herd immunity, they were eradicated by vaccines"
Fact-check: Facebook meme correctly states that vaccines led to eradication of polio and smallpox, not "natural herd immunity" - Science Feedback
Verdict: correct
Organisation: Science Feedback
Author: Flora Teoh
Date published: 2024-12-26T19:58:37