Table 4.

Top 5 neutral topics.

Topic ID	Tweets, n (%)	Keywords	Topic
NEU_05	79,710 (32.41)	get, today, appointment, shoot, available, be, call, wait, come, schedule	Vaccination appointment
NEU_02	40,532 (16.48)	dose, first, receive, second, shot, pfizer, day, week, administer, fully	Getting vaccinated
NEU_09	31,409 (12.77)	say, take, go, people, time, still, need, rare, would, think	Vaccine hesitancy
NEU_03	17,156 (6.97)	update, read, find, late, live, news, check, watch, question, link	Vaccine news
NEU_06	17,129 (6.96)	may, start, age, year, week, open, next, eligible, site, begin	Vaccine eligibility