Table 2.
Characteristics of exposure to COVID-19 cases by household and close contacts.
| Cluster | |||||
|---|---|---|---|---|---|
| Total | Hoi Commune | Luu Minh Commune | Giao Ai Commune | Le Son Nam Commune | |
| Household exposure | 27 | 8 | 4 | 5 | 10 |
| Average number of COVID-19 contacts | 2.3 | 1.0 | 4.3 | 2.6 | 2.5 |
| Average number of encounters * | 6 | 1.1 | 13.5 | 5.2 | 7.3 |
| Average number of hours per exposure | 5.3 | 3.8 | 4.0 | 5.8 | 5.5 |
| Close contact | 53 | 26 | 10 | 12 | 5 |
| Average number of contacts | 1.3 | 1.1 | 1.7 | 1.5 | 1.2 |
| Average number of encounters * | 1.5 | 1.3 | 2.3 | 1.6 | 1 |
| Average number of hours per exposure | 2.2 | 3.7 | 0.9 | 1.2 | 1 |
* A single encounter is considered significant if >2 h in duration or within a 2 m distance for 15 min.