The use of a domestic [international] vaccine passport would be…
1	Ethical	Perceived ethicality
2	Appropriate	Perceived ethicality
3	The right thing to do	Perceived ethicality
If the vaccine passport was implemented for domestic [international] use, I would feel…
4	Angry	Anger
5	Irritated	Anger
6	Annoyed	Anger
7	Contemptuous	Contempt
8	Disdainful	Contempt
9	Scornful	Contempt
10	Disgusted	Disgust
11	Repulsed	Disgust
12	Distasteful	Disgust
13	Anxiousness	Anxiety
14	Agitation	Anxiety
15	Worried	Anxiety
16	Excited	Excitement
17	Optimistic	Excitement
18	Enthusiastic	Excitement
19	Relieved	Relief
20	Comforted	Relief
21	Reassured	Relief
If a vaccine passport was implemented for domestic [international] use, I believe it would…
22	Benefit society overall	Utilitarian reasoning
23	Benefit minorities	Utilitarian reasoning
24	Benefit me	Utilitarian reasoning
25	Be a fair and just measure	Deontological reasoning
26	Be a discriminatory measure	Deontological reasoning
27	Restrict personal freedoms	Deontological reasoning
28	Violate personal privacy	Deontological reasoning
29	Restrict social liberties	Deontological reasoning
30	Help drive business recovery	Utilitarian reasoning
31	Help drive economic recovery	Utilitarian reasoning
32	Be an effective public health measure	Utilitarian reasoning
33	Be effective in the fight against COVID-19	Utilitarian reasoning
What is your attitude toward the use of vaccine passport domestically [internationally]?
34	Good–bad (6-point scale with 2 anchors)	Attitude
35	Positive–negative (6-point scale with 2 anchors)	Attitude
36	Favourable–unfavourable (6-point scale with 2 anchors)	Attitude
If a vaccine passport were to be implemented for domestic [international] use, I would…
37	Support a government proposal for the passports	Support
38	Use the passport	Support
39	Support others using it	Support