Many places in New York and DC requiring proof of vaccination to enter accept a photo of a vaccination card as proof and also want to see a photo ID such as a driver’s license.
Here’s a shortcut to assemble an image of your vaccination card and an ID card, stacked and converted to base64.
https://www.icloud.com/shortcuts/72d9c7254a3a4e55bb21f24e7a0ba911
Here’s a separate shortcut to run when you want to show your proof of vaccination.
https://www.icloud.com/shortcuts/046aa645ae2343e0bf5e6404c332ccd2