essential travelmeans travel by a person who is exempted from restrictions on entry pursuant to Article 21a(4) or (5), in connection with an essential function or need, taking into account any applicable international obligations of the Union and of the Member States;
large-scale public health emergencymeans a public health emergency, that is recognised at Union level by the Commission, taking into account information from competent national authorities, where a serious cross-border threat to health could have large-scale repercussions on the exercise of the right to free movement.
non-essential travelmeans travel other than essential travel;
transport hubsmeans airports, sea or river ports, train or bus stations and freight terminals.’