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. 2022 Jun 30;13:3764. doi: 10.1038/s41467-022-31494-y

Table 1.

Summary statistics.

Fully vaccinated Unvaccinated
Primary Household Secondary SAR Primary Household Secondary SAR
Cases Contacts Cases (%) Cases Contacts Cases (%)
Total 8262 26,098 3816 15 16,431 27,486 7815 28
Sex
Male 4001 12,868 1711 13 8301 13,801 3626 26
Female 4261 13,230 2105 16 8130 13,685 4189 31
Age
0–9 years 0 0 0 3668 11,687 3198 27
10–19 years 721 3482 181 5 4859 5742 1720 30
20–29 years 1368 2633 224 9 4131 3756 983 26
30–39 years 1131 4434 730 16 2316 3014 1028 34
40–49 years 1676 7961 1210 15 923 2015 585 29
50–59 years 1601 4808 686 14 407 994 247 25
60–69 years 1085 1893 445 24 109 211 42 20
70–79 years 680 887 340 38 18 67 12 18
Household Size
2 persons 3859 4832 1209 25 3704 2731 812 30
3 persons 1809 5660 702 12 4092 5132 1402 27
4 persons 1785 9246 1204 13 5080 9416 2801 30
5 persons 643 4980 572 11 2762 7260 2029 28
6 persons 166 1380 129 9 793 2947 771 26
Vaccination
Vaxzevria 514 1398 229 16
Janssen 529 546 108 20
Spikevax 366 2441 243 10
Comirnaty 6853 21,713 3236 15

The secondary attack rate (SAR) is expressed in percentages. Primary cases and household contacts are here shown by groups of sex, age, household size and vaccination status, independent of each other. Table S1 provides summary statistics for contacts and secondary cases are grouped based on the primary case characteristics.