We are not yet at the point where we can say: We can let it go now," she told the newspaper Berliner Zeitung. "We need to exercise caution so that not everyone gets sick at the same time, in order to ensure that the critical infrastructure is kept running." Not all vulnerable groups are well protected, she said. "We still have the chronically ill, including people who can't get vaccinated because of a weak immune system," she said in the interview (Feb. 1, 2022). "And we also see that the booster shots are already wearing off for the elderly."