An increasing number of places require visitors to prove their vaccination status before being allowed in.
Other cities,such as Los Angeles, are considering similar measures.
At least one international airline and many cruisesrequire a vaccine.

Staff and students for some school districtsmust be vaccinated.
And many sports venuesare joining the push.
One option is to carry your paper vaccination card (dont laminate it).

But there are also several ways to securely keep a digital copy handy on your mobile phone.
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Of those, the date of birth is the most worrisome.
What are my options?
In both cases, strong passwords will help protect your information, Cranor said.
confirm your phone requires a password longer than four digits or biometrics to unlock it.
Password managers are software that store and encrypt sensitive information such as login credentials.
Often, they allow users to upload photos or documents when creating a new entry.
This puts a further layer of security between a would-be thief and your vaccination card.
Apple has plansto allow its users to store health informationsuch as a verified vaccination status in Apple Wallet.
Apple declined to respond on the record to a request for comment.
Some states, such asColoradoandNew York, developed their own mobile apps for residents.
The privacy policy for New Yorks app explicitly states that itdoes not access its users location.
Counties, too, may offer an app to anyone vaccinated locally.
Los Angeles County uses an app calledHealthvana, for example.
Garrett recommended reading the specific apps user agreement before downloading to understand what information it collects and/or shares.
If it stores a photo of the card, you might choose to do this outside of the app.
These can be stored in the same way that a photo would be.
Still worried about your Vax card data if your phone gets stolen?
This article by Malena Carollo wasoriginally published on The Markupand was republished under theCreative Commons Attribution-NonCommercial-NoDerivativeslicense.