Johnson & Johnson’s COVID-19 vaccine reviewed for links to additional reports of severe side effects: CDC Carl O’Donnell Bookmark Please log in to listen to this story. Also available in French and Mandarin. Log In Create Free Account Getting audio file ... This translation has been automatically generated and has not been verified for accuracy. Full Disclaimer KAMIL KRZACZYNSKI/AFP/Getty Images The United States is reviewing reports of a handful of potential cases of severe side effects among people who received Johnson & Johnson’s COVID-19 vaccine, in addition to those that led to a pause in its use, a top U.S. public health official said on Monday.