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. 2023 Feb 8;56(3):558–565. doi: 10.1016/j.jmii.2023.01.016

Table 1.

Number of mRNA COVID-19 vaccine recipients, number of myocarditis and pericarditis cases after vaccination, and risk of myocarditis and pericarditis in Taiwan, March 22, 2021-Febuary 9, 2022.


BNT162b2 vaccine
mRNA-1273 vaccine
First dose
Second dose
First dose
Second dose
Age (years) No. of cases No. of people received vaccination Risk per million vaccinees No. of cases No. of people received vaccination Risk per million vaccinees No. of cases No. of people received vaccination Risk per million vaccinees No. of cases No. of people received vaccination Risk per million vaccinees
Male
12-17 25 579,277 43.16 (27.93–63.71) 65 512,673 126.79 (97.85–161.60)
18-24 4 485,820 8.23 (2.24–21.08) 12 401,881 29.86 (15.43–52.16) 1 74,979 13.34 (0.34–74.31) 5 53,282 93.84 (30.47–218.99)
25-29 1 319,788 3.13 (0.08–17.42) 5 261,381 19.13 (6.21–44.64) 2 87,876 22.76 (2.76–82.21) 5 63,657 78.55 (25.50–183.30)
30-39 3 592,463 5.06 (1.04–14.80) 2 498,535 4.01 (0.49–14.49) 4 172,390 23.20 (6.32–59.41) 3 129,063 23.24 (4.79–67.93)
40-49 3 558,469 5.37 (1.11–15.70) 1 480,477 2.08 (0.05–11.60) 1 169,271 5.91 (0.15–32.92) 1 129,648 7.71 (0.20–42.98)
50-59 0 390,300 0 0 341,441 0 1 256,434 3.90 (0.10–21.73) 1 219,993 4.55 (0.12–25.33)
60-69 0 171,997 0 0 147,953 0 2 636,202 3.14 (0.38–11.36) 0 596,343 0
70-79 0 18,173 0 0 12,962 0 0 438,111 0 1 417,076 2.40 (0.06–13.36)
≥80 0 6245 0 0 4094 0 0 62,620 0 0 54,811 0
≥18 11 2,543,255 4.33 (2.16–7.74) 20 2,148,724 9.31 (5.69–14.38) 11 1,897,883 5.80 (2.89–10.37) 16 1,663,873 9.62 (5.50–15.62)
Female
12-17 9 536,822 16.77 (7.67–31.83) 8 486,145 16.46 (7.10–32.42)
18-24 3 452,567 6.63 (1.37–19.37) 4 406,764 9.83 (2.68–25.18) 0 67,164 0 0 54,057 0
25-29 0 285,141 0 0 250,569 0 0 93,147 0 0 75,930 0
30-39 4 587,668 6.81 (1.85–17.43) 3 518,541 5.79 (1.19–16.91) 0 209,283 0 3 173,502 17.29 (3.57–50.53)
40-49 2 631,025 3.17 (0.38–11.45) 0 560,492 0 0 164,660 0 0 132,815 0
50-59 2 448,722 4.46 (0.54–16.10) 1 403,282 2.48 (0.06–13.82) 1 255,416 3.92 (0.10–21.81) 1 224,045 4.46 (0.11–24.87)
60-69 3 209,275 14.34 (2.96–41.89) 0 184,266 0 2 720,132 2.78 (0.34–10.03) 5 675,477 7.40 (2.40–17.27)
70-79 0 26,085 0 0 18,850 0 2 521,504 3.84 (0.46–13.85) 3 492,263 6.09 (1.26–17.81)
≥80 0 10,223 0 0 6802 0 0 86,429 0 0 74,287 0
≥18 14 2,650,706 5.28 (2.89–8.86) 8 2,349,566 3.40 (1.47–6.71) 5 2,117,735 2.36 (0.77–5.51) 12 1,902,376 6.31 (3.26–11.02)