Table 2 Numbers and characteristics of high-risk contacts (HRC), Belgium, January – September 2021
From: COVID-19 contact tracing in Belgium: main indicators and performance, January – September 2021
All HRC | HRC with NRN | ||||||
|---|---|---|---|---|---|---|---|
Month | Number | Contacted HRC (%) | HRC with NRN (%) | Symptomatic at contact with CC (%) | Household contact (%)a | Fully vaccinated (%) | The secondary attack rate (SAR) (%)b |
January | 61.936 | 94.2 | 87.6 | 16.3 | 69.0 | 0.1 | 28.0 |
February | 64.245 | 94.1 | 87.5 | 17.2 | 67.9 | 0.6 | 30.6 |
March | 126.325 | 91.3 | 84.7 | 17.8 | 65.4 | 2.1 | 31.2 |
April | 111.521 | 89.0 | 83.2 | 15.5 | 63.3 | 3.7 | 33.0 |
May | 78.989 | 90.7 | 79.4 | 13.3 | 65.4 | 5.8 | 26.2 |
June | 23.139 | 92.1 | 88.6 | 10.2 | 69.4 | 11.2 | 20.5 |
July | 50.130 | 88.1 | 87.4 | 9.4 | 61.3 | 33.1 | 19.0 |
August | 67.916 | 91.0 | 89.9 | 10.9 | 68.8 | 47.5 | 24.2 |
September | 82.668 | 92.3 | 90.9 | 13.6 | 71.3 | 55.8 | 22.2 |
Total | 666.869 | 91.3 | 86.0 | 14.5 | 66.5 | 17.0 | 27.4 |