For the "recovered" status, infection must have occurred at least 28 days and up to six months ago. Once six months have passed, the "recovered" status expires. You will then need a negative test result or vaccination.
If infection occurred more than six months ago, those who have recovered will only require one vaccination to be considered fully vaccinated.
To access the trade fair grounds, you will need an EU Digital Covid Certificate (EU DCC). For non-EU citizens without access to the EU DCC certificate, the following exception applies: Click here for all information.