Given that the CDC has indicated a booster will likely be required after 8 months, and that it will be ongoing, it seems as if no one would ever be fully vaccinated. This leads to confusion. Additionally separating individuals either by protective requirements or distance based on the status of a vaccine is not practical in all environments and leads to confusion. Additionally the CDC indicates the Delta variant can be transmitted for those who are currently defined as fully vaccinated just as much as those who are not. All of this leads to confusion and it would make the standard difficult to manage. A consistent approach to protective measures for all employees (not related to vaccines) is an approach that is more practical.