Prevention and management of adverse events following COVID-19 vaccination using traditional Korean medicine: An online survey of public health doctors

Table 2 Adverse events from coronavirus disease 2019 vaccination

No.	Question	Frequency (n = 93)	Percent (%)
1	What type of COVID-19 vaccine have you been vaccinated?
	AstraZeneca	92	98.92
	Pfizer	1	1.08
	Moderna	0	0
	Janssen	0	0
	Novavax	0	0
	Others	0	0
2	Have you experienced any side effects?
	Yes	90	96.77
	No	3	3.23
3	If yes in 2 above, what kind of side effect have you experienced since vaccination? (multiple answers allowed)	Frequency (n = 90)
	Fatigue	61	67.78
	Muscle pain	75	83.33
	Fever	67	74.44
	Headache	45	50.00
	Pain at the injection site	65	72.22
	Joint pain	27	30.00
	Nausea	12	13.33
	Diarrhea	8	8.89
	Others	18	20.00
4	What was the severity of the side effects experienced after vaccination? (use of numerical rating scale)	Frequency (n = 90)
	None (0)	0	0.00
	Mild (1 to 3)	21	23.33
	Moderate (4 to 6)	40	44.44
	Severe (7 to 10)	29	32.22
5	How many hours did it take for side effects to occur after vaccination?	Frequency (n = 90)
	1 to 12	70	77.78
	13 to 24	20	22.22
6	How many hours did it take for the side effects to disappear after the vaccination?	Frequency (n = 90)
	1 to 24	26	28.89
	25 to 48	48	53.33
	49 to 72 h	14	15.56
	More than 72 h	2	2.22
7	Has your work been disrupted after an adverse vaccine reaction?	Frequency (n = 90)
	(Mild) treatment is not required; have no problem performing activities of daily living	45	50.00
	(Moderate) treatment may be required; have slight problems performing activities of daily living	39	43.33
	(Severe) high-level treatment is required due to severe side effects as the aftereffects remain	6	6.67

COVID-19: Coronavirus disease 2019.