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. 2022 Aug 5;150:e165. doi: 10.1017/S0950268822001248

Table 1.

Mean time from symptom onset of primary case in households and symptom onset of secondary case, by variant; Germany, 2020–2022

Time in days Lower 95% CI Upper 95% CI
Wild-type 4.80 4.74 4.85
Alpha 4.50 4.46 4.54
Delta 4.19 4.16 4.22
Omicron 3.61 3.56 3.66