I have obtained a Vaccination HealthCert. How do I use it overseas to show that I am vaccinated? 28 March 2022 03:09 Updated Related articles Where can I find and store my HealthCerts? Do I need to obtain a Vaccination HealthCert for travel? Who can obtain a Vaccination HealthCert? I am not able to get a Vaccination HealthCert and urgently require proof of vaccination for travel. What should I do? Why does my Vaccination HealthCert include a validity period?