Weber Shandwick is helping run communications around the vaccine program.. But the PR group is already working for Moderna, and has worked for Pfizer.. .. A PR company that represents Pfizer and Moderna has staff 'embedded' in the CDC's vaccine division.. New York-based firm Weber Shandwick has been responsible for elevating Pfizer's profile since at least 2006. It partnered with Moderna ... Yet questions are being raised about a possible conflict of interest as it emerged the company was hired by the Centers for Disease Control and Prevention (CDC) ... Vaccine makers made more than $34 billion in profits last...