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. 2022 May 25;12(5):e059223. doi: 10.1136/bmjopen-2021-059223

Table 6.

Myocarditis and pericarditis events reported to VAERS following Moderna COVID-19 vaccine (Spikevax), by dose Datalock point 14 March 2022

Age group Myocarditis Pericarditis
Male Female Sex not specified Total Male Female Sex not specified Total
n % n % n % N % n % n % N % N %
Dose 1
 <6 months 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00
 3–5 Years 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00
 6–17 Years 1 0.56 0 0.00 0 0.00 1 0.35 0 0.00 0 0.00 0 0.00 0 0.00
 18–29 Years 74 41.11 18 18.00 0 0.00 92 32.17 33 32.35 23 20.00 0 0.00 56 25.23
 30–39 years 42 23.33 18 18.00 0 0.00 60 20.98 15 14.71 17 14.78 0 0.00 32 14.41
 40–49 years 16 8.89 21 21.00 0 0.00 37 12.94 21 20.59 20 17.39 0 0.00 41 18.47
 50–59 years 15 8.33 16 16.00 1 16.67 32 11.19 12 11.76 19 16.52 0 0.00 31 13.96
 60–64 years 3 1.67 15 15.00 0 0.00 18 6.29 7 6.86 12 10.43 0 0.00 19 8.56
 65–79 Years 10 5.56 11 11.00 0 0.00 21 7.34 11 10.78 16 13.91 2 40.00 29 13.06
 80+ Years 2 1.11 1 1.00 0 0.00 3 1.05 0 0.00 5 4.35 0 0.00 5 2.25
 Not specified 17 9.44 0 0.00 5 83.33 22 7.69 3 2.94 3 2.61 3 60.00 9 4.05
 Total 180 100.00 100 100.00 6 100.00 286 100.00 102 100.00 115 100.00 5 100.00 222 100.00
Dose 2
 <6 months 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00
 3–5 Years 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00
 6–17 Years 2 0.72 0 0.00 0 0.00 2 0.52 1 0.55 0 0.00 0 0.00 1 0.33
 18–29 Years 152 54.48 29 29.00 1 20.00 182 47.40 63 34.81 24 19.67 0 0.00 87 28.52
 30–39 years 57 20.43 15 15.00 0 0.00 72 18.75 30 16.57 11 9.02 0 0.00 41 13.44
 40–49 years 24 8.60 24 24.00 0 0.00 48 12.50 20 11.05 21 17.21 0 0.00 41 13.44
 50–59 years 20 7.17 13 13.00 0 0.00 33 8.59 25 13.81 24 19.67 0 0.00 49 16.07
 60–64 years 6 2.15 5 5.00 0 0.00 11 2.86 10 5.52 12 9.84 0 0.00 22 7.21
 65–79 Years 13 4.66 12 12.00 0 0.00 25 6.51 26 14.36 26 21.31 0 0.00 52 17.05
 80+ Years 1 0.36 1 1.00 0 0.00 2 0.52 4 2.21 4 3.28 0 0.00 8 2.62
 Not specified 4 1.43 1 1.00 4 80.00 9 2.34 2 1.10 0 0.00 2 100.00 4 1.31
 Total 279 100.00 100 100.00 5 100.00 384 100.00 181 100.00 122 100.00 2 100.00 305 100.00
Dose 3
 <6 months 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00
 3–5 Years 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00
 6–17 Years 1 1.96 0 0.00 0 0.00 1 1.16 0 0.00 0 0.00 0 0.00 0 0.00
 18–29 Years 29 56.86 8 22.86 0 0.00 37 43.02 10 29.41 6 16.22 0 0.00 16 22.54
 30–39 years 9 17.65 10 28.57 0 0.00 19 22.09 4 11.76 7 18.92 0 0.00 11 15.49
 40–49 years 6 11.76 4 11.43 0 0.00 10 11.63 5 14.71 8 21.62 0 0.00 13 18.31
 50–59 years 2 3.92 4 11.43 0 0.00 6 6.98 7 20.59 5 13.51 0 0.00 12 16.90
 60–64 years 1 1.96 2 5.71 0 0.00 3 3.49 1 2.94 3 8.11 0 0.00 4 5.63
 65–79 Years 3 5.88 6 17.14 0 0.00 9 10.47 6 17.65 6 16.22 0 0.00 12 16.90
 80+Years 0 0.00 1 2.86 0 0.00 1 1.16 1 2.94 2 5.41 0 0.00 3 4.23
 Not specified 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00
 Total 51 100.00 35 100.00 0 0.00 86 100.00 34 100.00 37 100.00 0 0.00 71 100.00
Dose 4+
 40–49 Years 0 0.00 1 100.00 0 0.00 1 100.00 0 0.00 0 0.00 0 0.00 0 0.00
 Total 0 0.00 1 100.00 0 0.00 1 100.00 0 0.00 0 0.00 0 0.00 0 0.00
Unknown dose
 <6 months 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00
 3–5 Years 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00
 6–17 Years 1 0.74 1 3.03 2 25.00 4 2.27 0 0.00 0 0.00 0 0.00 0 0.00
 18–29 Years 62 45.93 9 27.27 0 0.00 71 40.34 24 32.88 9 30.00 0 0.00 33 30.28
 30–39 years 27 20.00 8 24.24 0 0.00 35 19.89 10 13.70 3 10.00 1 16.67 14 12.84
 40–49 years 16 11.85 1 3.03 0 0.00 17 9.66 11 15.07 5 16.67 0 0.00 16 14.68
 50–59 years 4 2.96 4 12.12 0 0.00 8 4.55 8 10.96 4 13.33 0 0.00 12 11.01
 60–64 years 5 3.70 2 6.06 0 0.00 7 3.98 6 8.22 4 13.33 1 16.67 11 10.09
 65–79 Years 3 2.22 6 18.18 0 0.00 9 5.11 11 15.07 5 16.67 0 0.00 16 14.68
 80+ Years 2 1.48 1 3.03 0 0.00 3 1.70 1 1.37 0 0.00 0 0.00 1 0.92
 Not specified 15 11.11 1 3.03 6 75.00 22 12.50 2 2.74 0 0.00 4 66.67 6 5.50
 Total 135 100.00 33 100.00 8 100.00 176 100.00 73 100.00 30 100.00 6 100.00 109 100.00
 Grand Total 645 269 19 933 390 304 13 707

Percentages per age group are presented.