PT - JOURNAL ARTICLE AU - Boston, Rebecca H AU - Guan, Rui AU - Kalmar, Lajos AU - Beier, Sina AU - Horner, Emily C AU - Beristain-Covarrubias, Nonantzin AU - Yam-Puc, Juan Carlos AU - Pereyra Gerber, Pehuén AU - Faria, Luisa AU - Kuroshchenkova, Anna AU - Lindell, Anna E AU - Blasche, Sonja AU - Correa-Noguera, Andrea AU - Elmer, Anne AU - Saunders, Caroline AU - Bermperi, Areti AU - Jose, Sherly AU - Kingston, Nathalie AU - , AU - Grigoriadou, Sofia AU - Staples, Emily AU - Buckland, Matthew S AU - Lear, Sara AU - Matheson, Nicholas J AU - Benes, Vladimir AU - Parkinson, Christine AU - Thaventhiran, James ED AU - Patil, Kiran R TI - Stability of gut microbiome after COVID-19 vaccination in healthy and immuno-compromised individuals AID - 10.26508/lsa.202302529 DP - 2024 Apr 01 TA - Life Science Alliance PG - e202302529 VI - 7 IP - 4 4099 - https://www.life-science-alliance.org/content/7/4/e202302529.short 4100 - https://www.life-science-alliance.org/content/7/4/e202302529.full SO - Life Sci. Alliance2024 Apr 01; 7 AB - Bidirectional interactions between the immune system and the gut microbiota are key contributors to various physiological functions. Immune-associated diseases such as cancer and autoimmunity, and efficacy of immunomodulatory therapies, have been linked to microbiome variation. Although COVID-19 infection has been shown to cause microbial dysbiosis, it remains understudied whether the inflammatory response associated with vaccination also impacts the microbiota. Here, we investigate the temporal impact of COVID-19 vaccination on the gut microbiome in healthy and immuno-compromised individuals; the latter included patients with primary immunodeficiency and cancer patients on immunomodulating therapies. We find that the gut microbiome remained remarkably stable post-vaccination irrespective of diverse immune status, vaccine response, and microbial composition spanned by the cohort. The stability is evident at all evaluated levels including diversity, phylum, species, and functional capacity. Our results indicate the resilience of the gut microbiome to host immune changes triggered by COVID-19 vaccination and suggest minimal, if any, impact on microbiome-mediated processes. These findings encourage vaccine acceptance, particularly when contrasted with the significant microbiome shifts observed during COVID-19 infection.