The COVID certificate attests to a vaccination, a cured infection or a negative test.
Within Switzerland there is no certificate requirement at the national level.
The COVID certificat may still be mandatory abroad. Before travelling, always check directly with the embassy or consulate of your destination country to find out what restrictions are in place due to the coronavirus. These can differ from country to country and change at very short notice.
You are a Swiss citizen resident in Switzerland or abroad OR you are a foreign national resident in Switzerland.
And you were vaccinated abroad or have recovered from a COVID-19 infection confirmed with a positive PCR test aborad.
How can you get a certificate?