46In the second place, as regards the assessment of whether a measure such as that at issue in the main proceedings is necessary, it should be observed that, as stated in paragraph 40 of the present judgment, public health ranks foremost among the assets or interests protected by the FEU Treaty, and that it is for the Member States to determine the degree of protection which they wish to afford to public health and the way in which that degree of protection is to be achieved, which means that they have a measure of discretion in that regard (see, to that effect, judgment of 1 March 2018, CMVRO, C‑297/16, EU:C:2018:141, paragraph 64 and the case-law cited).
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