8. proof of recoveryʼ
means proof of immunity acquired through previous infection with the SARS-CoV-2 coronavirus issued in written or digital form in German, English, French, Italian or Spanish if the proof complies with the
requirements published on the internet by the Robert Koch Institute at
www.rki.de/covid-19- genesenennachweis taking into account state-of-the-art medical standards with regard to the following
criteria:
a) the type of testing that may be used to prove prior infection,
b) the amount of time that must have elapsed after the test performed to prove prior infection or the test
result needed to lift the isolation required due to the prior infection,
c) the maximum amount of time that may have passed sincethe test performed to prove the prior infection.