Covid booster shots effective against severe illness from omicron, CDC studies say

NEW: A booster dose of the Covid vaccine significantly reduces a person's odds of hospitalization from the omicron variant, according to new CDC research. Source: https://www.nbcnews.com/health/health-news/booster-shots-effective-severe-illness-omicron-rcna13038?cid=sm_npd_nn_fb_ma