I'm already vaccinated which is Janessen single...

If your question is about getting the vaccination COVID-19:
You must register for the vaccination. You can review the UAE government website for more details by clicking on the following link:
the UAE government website
Also, you can use the official website of the Dubai Health Authority. Click on the following link.  The official website of the Dubai Health Authority
The official website of the Dubai Health Authority

 

Moreover, you can call the toll-free number (800-342) to find out whether or not you will need an Emirates ID for the registration of vaccination.