Transmission onset distribution of COVID-19.

ABSTRACT:

Objectives

The distribution of the transmission onset of COVID-19 relative to the symptom onset is a key parameter for infection control. It is often not easy to study the transmission onset time, as it is difficult to know who infected whom exactly when.

Methods

We inferred transmission onset time from 72 infector-infectee pairs in South Korea, either with known or inferred contact dates, utilizing the incubation period. Combining this data with known information of the infector's symptom onset, we could generate the transmission onset distribution of COVID-19, using Bayesian methods. Serial interval distribution could be automatically estimated from our data.

Results

We estimated the median transmission onset to be 1.31 days (standard deviation, 2.64 days) after sym

SUBMITTER: Chun JY 

PROVIDER: S-EPMC7409940 | biostudies-literature | 2020 Oct

REPOSITORIES: biostudies-literature