Table 3.

Number of heterologous ChAdOx1-S vaccine and mRNA COVID-19 vaccine recipients, number of myocarditis and pericarditis cases after vaccination, and risk of myocarditis/pericarditis in Taiwan, March 22, 2021-Febuary 9, 2022.

	ChAdOx1-S vaccine - mRNA-1273 vaccine						ChAdOx1-S vaccine - BNT162b2 vaccine
	Male			Female			Male			Female
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
18-24	2	24,591	81.33 (9.85–293.79)	1	28,791	34.73 (0.88–193.52)	0	26,131	0	1	24,386	41.01 (1.04–228.48)
25-29	1	24,023	41.63 (1.05–231.93)	1	31,499	31.75 (0.80–176.88)	0	21,109	0	0	19,011	0
30-39	2	54,370	36.78 (4.45–132.88)	2	65,026	30.76 (3.72–111.10)	0	34,609	0	0	31,652	0
40-49	0	40,861	0	0	51,360	0	0	23,750	0	0	24,956	0
50-59	0	24,230	0	0	28,505	0	0	13,936	0	0	13,952	0
60-69	0	11,216	0	0	11,166	0	0	5191	0	0	4917	0
70-79	0	2480	0	0	1696	0	0	651	0	0	690	0
≥80	0	1447	0	0	1599	0	0	828	0	0	1077	0
Total	5	183,218	27.29 (8.86–63.69)	4	219,642	18.21 (4.96–46.63)	0	126,205	0	1	120,641	8.29 (0.21–46.18)