No, you should not be tracking other’s vaccination status or requesting that they show proof of vaccination. This information is being tracked at the university level and used to inform decisions on changes to policies and guidelines. To account for multi-person settings that may include both those fully vaccinated, and those who are not, it is instead appropriate to ask if people are comfortable removing their masks. Beyond this, it is up to the individual to determine what layers of protection are required or appropriate in alignment with Protect Purdue policies.