The other day I wondered if there was some way to download my Covid 19 vaccination records to the Health App on my iPhone.
There is and it worked.
It's easy; if you have a HIPPA compliant medical records system - Like My Chart - and if you have sent your providers copies of your vaccination card you can display the QR code, print it and scan it with your camera; the phone recognizes that it should go into the Health App.
Then you have your passport.
Here's the link describing how to do it: