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. 2020 Oct 10;81(6):847–856. doi: 10.1016/j.jinf.2020.10.009

Table 3.

Estimated percentage of samples with infectious SARS-CoV-2 for days 7–15 after symptom onset (adapted from Singanayagam et al.).

Day post symptom onset Estimated% culture positive (95% CI) Observed number of samples culture positive Observed number of samples tested
7 40.1 (22.8 - 60.4) 10 14
8 25.8 (11.0 - 49.4) 9 33
9 13.7 (3.7 - 39.6) 10 34
10 6.0 (0.9 - 31.2) 6 23
11 2.2 (0.2 - 23.9) 1 6
12 0.7 (0.0 - 17.9) 1 3
13 0.2 (0.0 - 13.1) 0 4
14 0.03 (0.0 - 9.4) 0 2
15 0.006 (0.0 - 6.7) 0 2
Total: 37 Total: 121