Will my 21-day stay issue affect my travel from Austria to Thailand after living in the USA?

The user is inquiring about the implications of their travel itinerary, specifically whether spending 21 days outside of Austria before flying to Thailand will affect their travel plans, particularly regarding entry regulations associated with both Austria and the USA. The response clarifies that visiting countries that are on the respective entry lists is permissible and should not pose any issues, provided that the traveler does not visit a country not on the list, which could reset their 21-day requirement.