Table 3.

Top words and emojis ^a based on frequency of occurrence in the comments of videos per sub-theme.

Theme	Sub-themes	Top Words (all Comments)
Reason for vaccination	Societal / Civic duty	For, good, your, my, choice, smiling face emoji with 3 hearts, do, me, shot, with, what, on, up, own, be, luck, god
	Friends/Family	For, good, your, smiling face emoji with 3 hearts, my, choice, are, what, do, with, me, shot, on, up, own, luck, be, all
	Returning to pre-COVID-19	my, me, on, u, good, are, your, i'm, great, as, for, covid, ppl, make, clapping hands emoji, job, still
	Prevent COVID-19 cases	my, your, so, me, loudly crying emoji, at, are, doing, story, on, getting, flexed bicep emoji, immunity, all, animations, aa, like, as
	Immune-compromised	Smiling face emoji with 3 hearts”, my, beautiful, she, for, your, what, with, so, red heart emoji, vaccinated, her, baby, daughter, been, everyone, love, has
Sentiment	Humor/Parody	rock on emoji, smiling face emoji with 3 hearts, thanks, vaccinated, masks, flushed face emoji, how, getting, me, on, sorry, 2, jabs, your, thoughts, bring, southern
	Fear	—
	Informative	Good, for, your, my, choice, are, do, so, shot, smiling face emoji with 3 hearts me, what, with, own, up, be, on, luck, god
	Empathy	Smiling face emoji with 3 hearts, my, beautiful, she, for, so, your, what, with, red heart emoji vaccinated, her, all, baby, love, four leaf clover emoji, daughter, purple heart emoji
	Against the COVID-19 vaccine	—
	Neutral	—
Content	Vaccination Card	Smiling face emoji with 3 hearts, love, rock on emoji, for, thanks, are, amazing, your, thank, awesome, red heart emoji news, doing, story, on, vaccinated, let, do
	Friends/Family	Smiling face emoji with 3 hearts, my, for, so, love, your, she, are, beautiful, great, with, red heart emoji all, good, job, what, baby, vaccinated
	Media	Smiling face emoji with 3 hearts, love, are, my, for, great, amazing, job, u, me, be, good, think, your, grinning emoji, so, up, live
	Dancing	Love, yessss, amazing, gahhh, best, as, should, queen, 100, thank, creative, great, job, challenge, an, email, monocle emoji, emoji with tears of laughter, second
	Adhesive bandage	Smiling face emoji with 3 hearts, rock on emoji, thanks, your, for, love, my, me, red heart emoji are, good, all, amazing, so, loudly crying emoji, let, been
	Sports	rock on emoji, my, smiling face emoji with 3 hearts, clapping hands emoji, u, me, on, great, your, so, for, are, ppl, job, still, do
	Health care workers	Smiling face emoji with 3 hearts, rock on emoji, sharing, thanks, has, been, with, your, flexed bicep emoji, immunity, red heart emoji their for, let, do, #Alabama
COVID-19 vaccine		my, your, me, loudly crying emoji, are, doing, story, on, so, animations, aa, like, as, well, covid, glowing star emoji

^aEmoji description informed by https://emojipedia.org/