"> The CDC researchers found that people previously infected but unvaccinated were 2.34 times more likely to get reinfected than people who were previously infe

"> The CDC researchers found that people previously infected but unvaccinated were 2.34 times more likely to get reinfected than people who were previously infected and fully vaccinated." That's not comparing vaccine vs natural immunity. That's comparing vaccine + natural immunity to natural immunity alone. Not what the question is, even though the framing of the study implies otherwards.