Table 3.

Prevalence of COVID-19 vaccine–related misinformation.

Study design and subtype of misinformation		Study, n	Prevalence, %
Surveys on general population		24	2.5-55.4
	Conspiracy	22	2.5-48.4
	Concerns on vaccine safety and efficacy	12	2.78-55.4
	No need for vaccines	6	3.8-28.1
	Morality	2	1.4-20.6
	Liberty	2	6-36.3
Surveys on the antivaccine/vaccine hesitant group		6	6.0-96.7
	Conspiracy	4	6.0-22
	Concerns on vaccine safety and efficacy	4	12.2-96.7
	No need for vaccines	5	6.3-70.4
Internet-based studies on general online data		16	0.1-41.3
	Conspiracy	8	5.3-21.7
	Concerns on vaccine safety and efficacy	3	0.4-11.1
	No need for vaccines	1	10.1
	Morality	2	3.9-20.6
	Liberty	1	41.1
	Humor	1	26
Internet-based studies on antivaccine/vaccine hesitant data		15	0.5-56
	Conspiracy	10	3.9-55.4
	Concerns on vaccine safety and efficacy	8	1.3-44.8
	No need for vaccines	3	0.5-3.7
	Morality	2	2-10.4
	Liberty	5	5-46