If you got vaccines for travel purposes prepare for boosters &more in the future or test like unvaccinated test&quarantineup to 10 days.
Croatia and Austria announced that vaccine certificate is also only good for nine months after full vaccination. “You are considered ‘vaccinated’ starting on the 22nd day after your first dose, lasting for 90 days from the vaccination date. After the second dose, the validity extends for another 270 days,” the Austrian Tourism website says . Vaccines that only require one dose are valid from the 22nd day after that dose and for 270 days from the vaccination date. This also applies to people who have had Covid before and received only one dose of any vaccine.”