Posted in NEWS Costco, one of the first to require masks, drops face-covering requirement for fully vaccinated at some clubs May 14, 2021 Costco, one of the first retailers to mandate shoppers wear masks, has dropped its requirement for those who are fully vaccinated at some clubs. http://rssfeeds.usatoday.com/~/652324744/0/usatoday-newstopstories~Costco-one-of-the-first-to-require-masks-drops-facecovering-requirement-for-fully-vaccinated-at-some-clubs/