The assumption that having had Omicron confers long-term immunity especially for the unvaccinated is not necessarily a slam-dunk. Infectious disease experts aren’t clear on the answer. January 25, 2022January 25, 2022Dr. Barry Dworkin Medical Mythbusting Commentary for January 25, 2022 [display_podcast] Source:People Who Have Had Omicron Don’t Necessarily Have COVID Immunity — Here’s Why They Should Stay Cautious Related posts: Lancet posts Oxford Vaccine Group preprint study on how the timing of the booster dose of its Oxford-AZ vaccine affects the immune response and efficacy for people 18-55 years of age. Retrospective study finds that the flu vaccine has benefits against severe effects of COVID-19. How it does this remains unknown but if true, it will be fascinating and enlightening to figure out how our immune response works in this setting. 2014-15 flu shot was ineffective because the virus mutated after vaccine went into production The wonderful world of cognitive dissonance. Thanks to Darla Shine for beautifully demonstrating this response in addition to the Dunning-Kruger Effect. immunityOmicron