Coronavirus COVID-19
Companies are adopting COVID vaccine mandates for employees. So why aren't all vaccine makers?
![Portrait of Elizabeth Weise](https://cdn.statically.io/img/www.usatoday.com/gcdn/-mm-/970d5f435eca8537f688321a3f2efb06f65ef3cc/c=0-100-600-700/local/-/media/2018/12/14/USATODAY/USATODAY/636803788059986713-elizabeth-Weise.png?width=48&height=48&fit=crop&format=pjpg&auto=webp)
USA TODAY
Editor’s note: After publication of this article, Moderna announced Aug. 20 it would require COVID-19 vaccination for all its workers in the United States, effective Oct. 1.
Only two of the three makers of COVID-19 vaccines approved for use in the U.S. require their own employees to get the shot or be tested weekly.