TABLE 1.
Distribution of SARS-CoV-2 test-positive cases across cohorts and households
| Characteristic | New York City | Utah | Puerto Rico |
|---|---|---|---|
| Households (n) | 135 | 190 | 381 |
| Participants (n) | 499 | 842 | 1,028 |
| Median household size (range) | 4 (2–9) | 4 (2–10) | 2 (1–6) |
| Unique SARS-CoV-2-positive casesa | 33 | 96 | 49 |
| Households with 1 case | 3 | 17 | 3 |
| Households with 2 casesb | 5 | 7 | 5 |
| Households with 3 casesb | 3 | 5 | 8 |
| Households with 4 casesb | 0 | 4 | 6 |
| Households with 5 casesb | 1 | 4 | 5 |
| Households with 6 casesb | 1 | 0 | 1 |
| Households with 7 casesb | 0 | 1 | 0 |
| Cases with sequence data/cases sequenced (n/n) | 28/29 | 52/86 | 26/32 |
a
Total number of cases over the study period.
b
Includes only households with cases testing positive within 14 days of each other.