Table 2. Positive tests and total number of SARS-CoV-2 tests performed in each screening arm categorised according to week since starting the healthcare worker testing programme (6th April–24th May 2020).
| Week commencing | ||||||||
|---|---|---|---|---|---|---|---|---|
| 6th April | 13th April | 20th April | 27th April | 4th May | 11th May | 18th May | Total | |
| HCW asymptomatic screening arm | 4/121 | 20/383 | 7/529 | 11/550 | 8/483 | 1/738 | 1/840 | 52/3644 (1.4%) |
| HCW symptomatic screening arm | 1/15 | 14/60 | 11/95 | 7/119 | 3/104 | 0/164 | 2/168 | 38/725 (5.2%) |
| HCW symptomatic household contacts | 1/7 | 3/18 | 0/26 | 0/62 | 1/50 | 0/51 | 0/53 | 5/267 (1.8%) |
| Unknown | 0/0 | 0/2 | 0/13 | 0/0 | 0/4 | 0/1 | 0/1 | 0/21 |
| All | 6/143 (4.1%) |
37/463 (7.9%) |
18/663 (2.7%) |
18/731 (2.4%) |
12/641 (1.8%) |
1/954 (0.1%) |
3/1062 (0.2%) |
95/4657 (2%) |