What are the latest requirements and restrictions for unvaccinated domestic flights between Phuket and Chiang Mai?

Current requirements for unvaccinated travelers flying domestically within Thailand, specifically between Phuket and Chiang Mai, include obtaining an ATK test within seven days of the flight. There may be specific exceptions for areas like Phuket and Samui, where the test may need to be done 72 hours prior. It's advised to check for the most up-to-date regulations before travel.