A vaccination certificate is a document that confirms a person's immunization against a specific disease. There are several synonyms for vaccination certificate, including immunization record, vaccination card, shot record, vaccine passport, and health certificate. These terms are often used interchangeably in healthcare, travel, and employment settings to demonstrate proof of vaccination. Vaccine passport is a relatively new term used to describe a digital or physical record of a person's COVID-19 vaccination status, which is required in many countries for travel or attending events. Regardless of the terminology, vaccination certificates are an essential tool to prevent the spread of infectious diseases, and it is crucial to keep them up-to-date.