Having stated, in section I., what the reader may expect from this paper, I will sum up, in section II., my views on the question how to justify a moral ‚ought‘-statement (a statement of moral obligation), notably a statement of the first-person form ‚I morally ought not to act in such and such a way if and when (I believe that) I am in such und such a situation.‘ In my view, its justification should consist of two quite different parts. (...) The first part is a logical proof based on my own personal language usage (‚idiolect‘) – namely, the proof that a time-honoured and highly efficient moral principle that I suggest to call the Universalized Golden Rule (UGR) is, in my idiolect (which I think to be shared by many other speakers of any sufficiently developed natural language), a locically true conditional statement (II. 1. – 5.). This part belongs, of course, to the jobs of the philosophical ethicist (metaethicist), who has to cope with it once for all. The second part, however, is a daily task of each of us and seems to me, pace R. M. Hare, to be a kind of ‚verification‘; I use to call it a ‚Nathan-David‘ procedure and will expound it in detail (II. 6. – 9.). In section III., I will try to offer an array of more or less elaborated Nathan-David procedures to the effect that he who shares my personal idiolect, my basic preferences, and my factual knowledge cannot but consider himself morally obligated to ask for his Covid-19 vaccinations as soon as possible. In section IV., I will argue in favour of the view that the German State is not only entitled but, if need be, legally obligated to make the Covid-19 vaccination compulsary. In the final section V., I will try and give a relentless assessment of the situation, a short outlook into the future, and a succinct analysis of how to most efficiently handle the pandemic under the factual boundary conditions given. (shrink)