This Week In Wellness the New England Journal of Medicine has published a study suggesting that the presence of mucosal antibodies in the airways may be responsible for the decreased risk of Omicron Covid infection for those with naturally acquired immunity when compared to those who received vaccinations alone.

https://www.sciencedaily.com/releases/2022/09/220914180010.htm

https://www.nejm.org/doi/10.1056/NEJMc2209651