Author: Weituo Zhang
Title: Estimating the presymptomatic transmission of COVID19 using incubation period and serial interval data Document date: 2020_4_6
ID: nkhjona0_11
Snippet: We estimated the distribution of infection time and serial interval in Scenario 2 (as mentioned before) via two approaches as shown in Figure 4 . The fraction of presymptomatic transmissions was estimated 79.7% with our model and 67.5% with normal distribution assumption. The ï¡ parameter was estimated as 0.078, which implied that the COVID19 infected persons tended to become infectious shortly after infection. The average timing of presymptomat.....
Document: We estimated the distribution of infection time and serial interval in Scenario 2 (as mentioned before) via two approaches as shown in Figure 4 . The fraction of presymptomatic transmissions was estimated 79.7% with our model and 67.5% with normal distribution assumption. The ï¡ parameter was estimated as 0.078, which implied that the COVID19 infected persons tended to become infectious shortly after infection. The average timing of presymptomatic transmission was estimated 3.8 days (SD = 6.1) before symptom onsets.
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