Because the number of coronavirus cases is rapidly decreasing, there is currently no expectation that the healthcare system or critical infrastructure will be overwhelmed by the pandemic.
For this or this reason, there will be no more Covid-19 measures nationwide and also the Berlin Corona Ordinance is no longer in effect.
Protective measures against the coronavirus - Berlin.de
Entry to Germany
The Ordinance on Coronavirus Entry Regulations (CoronaEinreiseV) expires on 7 April 2023. After that date, entry into Germany will again be possible without coronavirus-related entry restrictions while observing the general entry requirements under the law of residence and relating to the border police (information from the Federal Ministry of the Interior "Lifting of COVID-19-related restrictions").