Claim: A study by Kaiser Permanente "shows negative efficacy of the shots against all variants within 150 days"; "the more you inject, the more you infect"
Fact-check: COVID-19 vaccine boosters reduce the risk of infection and hospitalization; they don't increase the risk, contrary to claims of vaccines' "negative efficacy" - Science Feedback
Verdict: misleading
Organisation: Science Feedback
Author: Iria Carballo-Carbajal
Date published: 2022-10-23T19:19:51