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Volume 27, Number 2—February 2021
Dispatch

Estimating Transmission Parameters for COVID-19 Clusters by Using Symptom Onset Data, Singapore, January–April 2020

Sheryl Hui-Xian NgComments to Author , Palvinder Kaur, Cécile Kremer, Woan Shin Tan, Aidan Lyanzhiang Tan, Niel Hens, Matthias Paul Toh, Kiok Liang Teow, and Palvannan Kannapiran
Author affiliations: National Healthcare Group, Singapore (S.H.-X. Ng, P. Kaur, W.S. Tan, A.L. Tan, K.L. Teow, P. Kannapiran); Hasselt University, Hasselt, Belgium (C. Kremer, N. Hens); University of Antwerp, Antwerp, Belgium (N. Hens); National Centre for Infectious Diseases, Singapore (M.P. Toh); National University of Singapore, Singapore (M.P. Toh)

Main Article

Table 2

Estimates of transmission parameters of coronavirus disease clusters, Singapore, January–April 2020 *

Infectee type Median (95% credible interval)
Mean SD p
All case-patients, N = 209 3.44 (2.79–4.11) 2.39 (1.27–3.45) 1.09 (1.08–1.11) 0.72 (0.64–0.80)
Case-patients with only 1 known contact, n = 93 3.93 (3.00–4.93) 2.63 (1.10–4.31) 1.11 (1.08–1.14) 0.65 (0.54–0.76)
Case-patients with only multiple or no known contacts, n = 116 3.03 (2.13–3.97) 2.45 (0.86–4.21) 1.08 (1.06–1.11) 0.76 (0.65–0.86)

*p, presymptomatic proportion; R0, basic reproduction number; Tg, generation time.

Main Article

Page created: December 01, 2020
Page updated: January 24, 2021
Page reviewed: January 24, 2021
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