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https://www.wsj.com/articles/some-vaccines-last-a-lifetime-heres-why-covid-19-shots-dont-11631266201?mod=e2fb&fbclid=IwAR1bwqobqSfETzM7AsCbGLpgUZj1eujPKvYTrs9juR8Z5SE4ifJSi8Ak95Y
