Doctor on COVID-19 vaccine hesitancy and Johnson & Johnson's return 0 27.04.2021 04:29 CBSNews.com Dr. Ron Elfenbein, the medical director and owner of First Call Medical Center, joins CBSN to discuss the latest on COVID-19 and vaccine hesitancy, as well as the return of Johnson & Johnson's one-dose vaccine after a blood clot investigation. Партнёры Smi24.net Все новости за 24 часа Музыкальные новости Агрегатор новостей 24СМИ