Scientists have been studying this question since the variant was first identified. While experts continue to learn more about the Omicron variant, data show that the vaccines continue to be highly effective in reducing risk of severe disease, hospitalization, and death. The latest data show that booster doses significantly increase protection from the Omicron variant. Based on this data, the CDC recommends that everyone age 5 and older get vaccinated, and everyone age 12 and older get boosted when eligible. 

Updated January 6, 2022