![Booster and Additional Primary Dose COVID-19 Vaccinations Among Adults Aged ≥65 Years — United States, August 13, 2021–November 19, 2021 | MMWR Booster and Additional Primary Dose COVID-19 Vaccinations Among Adults Aged ≥65 Years — United States, August 13, 2021–November 19, 2021 | MMWR](https://www.cdc.gov/mmwr/volumes/70/wr/social-media/mm7050e2_BoostersAdditionalPrimaryDoses_IMAGE_10Dec21_1200x627.jpg?_=35384)
Booster and Additional Primary Dose COVID-19 Vaccinations Among Adults Aged ≥65 Years — United States, August 13, 2021–November 19, 2021 | 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 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-medium.jpg?_=65732)
Effectiveness of Bivalent mRNA Vaccines in Preventing Symptomatic SARS-CoV-2 Infection — Increasing Community Access to Testing Program, United States, September–November 2022 | MMWR
![Booster Shots and Additional Doses for COVID-19 Vaccines — What You Need to Know | Johns Hopkins Medicine Booster Shots and Additional Doses for COVID-19 Vaccines — What You Need to Know | Johns Hopkins Medicine](https://www.hopkinsmedicine.org/-/media/images/health/1_-conditions/coronavirus/booster-hero.jpg?h=500&iar=0&mh=500&mw=1300&w=1297&hash=347BF4C0B6A9B79B1BD52AF5F53E5AEC)
Booster Shots and Additional Doses for COVID-19 Vaccines — What You Need to Know | Johns Hopkins Medicine
![COVID-19 vaccine waning and effectiveness and side-effects of boosters: a prospective community study from the ZOE COVID Study - The Lancet Infectious Diseases COVID-19 vaccine waning and effectiveness and side-effects of boosters: a prospective community study from the ZOE COVID Study - The Lancet Infectious Diseases](https://www.thelancet.com/cms/attachment/372ade5e-5f14-48a9-b960-4b5767839337/gr1_lrg.jpg)