Corona Virus J&J’s booster shown effective against Covid hospitalization By Posted on December 30, 2021 Share Tweet Share Share Email Comments The results mark the first evidence of the effectiveness of such a vaccine boost while Omicron is circulating.Read More Related Items: Share Tweet Share Share Email Click to comment Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment.