Table 1

- Common vaccine side effects related to participants’ infection status before vaccination.

Vaccine side effects	Yes	No	Total	P-value
Hospitalized due to severe symptoms	10	13	23	0.295
Severe symptoms but not hospitalized	79	160	239	0.510
Long-lasting post-injection inflammation	50	79	129	0.137
Temporary post-injection inflammation	126	368	494	0.019
Fever	133	275	408	0.735
Musculoskeletal pain	148	335	483	0.984
Sore throat	25	33	58	0.105
Congestion	13	27	40	0.916
Diarrhea	11	15	26	0.456
Conjunctivitis	6	8	14	0.235
Headache	93	207	300	0.197
Anosmia	15	7	22	0.001
Ageusia	14	7	21	0.002
Difficulty in communicating	1	9	10	0.344
Difficulty in movement	35	72	107	0.883
Allergy and rash	6	8	14	0.050
Dyspnea	10	26	36	0.262
Chest pain	18	25	43	0.170
No symptoms	41	184	225	0.001
Total	834	1858	2692

P-value of 0.05 was considered significant.