Source? Because the CDC disagrees https://www.forbes.com/sites/joewalsh/2022/01/19/cdc-prior-covid-infection-offered-more-protection-against-delta-than-vaccines

Source? Because the CDC disagrees https://www.forbes.com/sites/joewalsh/2022/01/19/cdc-prior-covid-infection-offered-more-protection-against-delta-than-vaccines---but-both-together-did-best/?sh=140821063d04 https://www.forbes.com/sites/joewalsh/2022/01/19/cdc-prior-c...