I hereby attest that I was, or will be, fully vaccinated for COVID-19 with an FDA- or WHO-authorized vaccine—meaning that two weeks has passed, or will have passed, since my final dose of the authorized vaccine—by the time of my arrival at the workshop on July 9, 2023. I further attest that I will provide proof of vaccination upon arrival at the workshop in form of a Vaccine Card, a photocopy of a Vaccine card, or an electronic photo of a Vaccine Card.