Fact Checks/Health & medicine/ReviewThe claim醫學期刊《刺針》一篇研究顯示接種疫苗後8個月有效率會跌至負數,代表疫苗者免疫力下降。Rating錯誤Reviewed by Factcheck Lab ↗ · August 29, 2022Original fact check ↗Search related fact checks →Use this record in your application ↗Report a correction ↗