CDC actually published this?
You don’t say….
https://ijr.com/cdc-study-natural-immunity-significantly-protection-covid/?utm_source=facebook&utm_medium=ijr&utm_content=2022-01-20&utm_campaign=manualpost&fbclid=IwAR29EVlHarPSnxIaaW3NPUYWBBfBg_wIFVqGNylewYRX1qWnSW3uLZVsu-g