![How long does immunity last after COVID-19 vaccination? Does immunity wane faster in certain sub-populations? How safe and effective are booster doses of COVID-19 vaccine? - HLI (Health Library Ireland) How long does immunity last after COVID-19 vaccination? Does immunity wane faster in certain sub-populations? How safe and effective are booster doses of COVID-19 vaccine? - HLI (Health Library Ireland)](https://hselibrary.ie/wp-content/uploads/2021/09/215-image.png)
How long does immunity last after COVID-19 vaccination? Does immunity wane faster in certain sub-populations? How safe and effective are booster doses of COVID-19 vaccine? - HLI (Health Library Ireland)
![The new COVID booster could be the last you'll need for a year, federal officials say | KUT Radio, Austin's NPR Station The new COVID booster could be the last you'll need for a year, federal officials say | KUT Radio, Austin's NPR Station](https://npr.brightspotcdn.com/dims4/default/7a9d99c/2147483647/strip/true/crop/911x683+0+0/resize/880x660!/quality/90/?url=https%3A%2F%2Fmedia.npr.org%2Fassets%2Fimg%2F2022%2F09%2F06%2Fgettyimages-1410902368-9081203a3772546b5d1e48bae07e7c44d68fc14e.jpg)
The new COVID booster could be the last you'll need for a year, federal officials say | KUT Radio, Austin's NPR Station
![Half of Public Has Heard Little or Nothing About the New COVID-19 Booster Aimed at Omicron; Many Don't Know If the CDC Recommends That They Get the New Booster | KFF Half of Public Has Heard Little or Nothing About the New COVID-19 Booster Aimed at Omicron; Many Don't Know If the CDC Recommends That They Get the New Booster | KFF](https://www.kff.org/wp-content/uploads/2022/09/Fig-1-hlaf-of-adulys-have-heard-about-updated-vax.png)
Half of Public Has Heard Little or Nothing About the New COVID-19 Booster Aimed at Omicron; Many Don't Know If the CDC Recommends That They Get the New Booster | KFF
![Evidence summary:] How long does immunity last after COVID-19 vaccination? Does immunity wane faster in certain sub-populations? How safe and effective are booster doses of COVID-19 vaccine? [v1.0] Evidence summary:] How long does immunity last after COVID-19 vaccination? Does immunity wane faster in certain sub-populations? How safe and effective are booster doses of COVID-19 vaccine? [v1.0]](https://www.lenus.ie/bitstream/handle/10147/630369/Q215%20%5BEvidence%20Summary%5D%20COVID-19%20%5BNIAC%5D%20Waning%20of%20Immune%20Protection%5B1045%5D.pdf.jpg?sequence=4&isAllowed=y)
Evidence summary:] How long does immunity last after COVID-19 vaccination? Does immunity wane faster in certain sub-populations? How safe and effective are booster doses of COVID-19 vaccine? [v1.0]
![Effectiveness of Bivalent mRNA Vaccines in Preventing Symptomatic SARS-CoV-2 Infection — Increasing Community Access to Testing Program, United States, September–November 2022 | MMWR Effectiveness of Bivalent mRNA Vaccines in Preventing Symptomatic SARS-CoV-2 Infection — Increasing Community Access to Testing Program, United States, September–November 2022 | MMWR](https://www.cdc.gov/mmwr/volumes/71/wr/social-media/mm7148e1-BivalentBooster_IMAGE_22NOV2022_1200x675.jpg?_=65732)