How can someone apply for a vaccine passport in Thailand if fully vaccinated, and what is the process and cost at Suvarnabhumi airport?

To apply for a vaccine passport in Thailand, fully vaccinated individuals can initiate the application process at Suvarnabhumi airport. Details regarding the exact process and the cost involved were not clearly stated in the comments, but alternative suggestions, such as acquiring a 'Yellow Book' for vaccination records, were mentioned. It's important to confirm official procedures and any associated fees directly from Thai authorities as updates may have occurred since the time of the comments.