Table 1. Local and Systemic Reactions to mRNA COVID-19 Vaccines Reported 1-2 Days after Vaccination.

From: Local and Systemic Reaction after Receiving Coronavirus Disease Vaccines among Healthcare Workers in Sapporo, Japan

Dose 1: day 1 (n = 1628) Dose 1: day 2 (n = 1647) Dose 2: day 1 (n = 1784) Dose 2: day 2 (n = 1739)
Local pain, n (%) 1506 (92.5) 1094 (67.2) 1691 (94.8) 1383 (79.5)
Redness, n (%) 47 (2.9) 26 (1.6) 43 (2.4) 55 (3.2)
Swelling, n (%) 182 (11.2) 85 (5.2) 280 (15.7) 216 (12.4)
Headache, n (%) 157 (9.6) 134 (8.2) 525 (29.4) 519 (29.8)
Fatigue, n (%) 282 (17.3) 210 (12.9) 819 (45.9) 755 (43.4)
Myalgia, n (%) 56 (3.4) 49 (3.0) 223 (12.5) 228 (13.1)
Arthralgia, n (%) 24 (1.5) 44 (2.7) 263 (14.7) 274 (15.8)
Nausea/vomiting, n (%) 28 (1.7) 19 (1.2) 109 (6.1) 77 (4.4)
Chills, n (%) 46 (2.8) 29 (1.8) 349 (19.6) 334 (19.2)
Fever ≥ 38℃, n (%) 3 (0.2) 10 (0.6) 134 (7.5) 159 (9.1)
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