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Volume 26, Number 6—June 2020
Research

Epidemiology of Coronavirus Disease in Gansu Province, China, 2020

Jingchun Fan, Xiaodong Liu, Weimin Pan, Mark W. Douglas, and Shisan BaoComments to Author 
Author affiliations: School of Public Health, Gansu University of Chinese Medicine, Lanzhou, China (J. Fan); Institute of Immunization and Prevention Management, Shandong Center for Disease Control and Prevention, Jinan, China (X. Liu); Gansu Provincial Center for Disease Control and Prevention, Lanzhou (W. Pan); Centre for Infectious Diseases and Microbiology, Westmead Hospital, Sydney, New South Wales, Australia (M.W. Douglas); Storr Liver Centre and Marie Bashir Institute for Infectious Diseases and Biosecurity, University of Sydney, Sydney (M.W. Douglas); School of Medical Sciences and Bosch Institute, Charles Perkins Centre, University of Sydney, Sydney (S. Bao)

Main Article

Table 2

Interval between primary and secondary cases in 6 family clusters of coronavirus disease, Gansu Province, China, 2020*

Family cluster patient no. No. primary cases No. secondary cases Date of close contact Date of symptom onset Serial interval, d†
1 1 9 Jan 18 22 Jan 4
2 1 26 Jan 18 26 Jan 8
3 1 27 Jan 18 26 Jan 8
4 4 14 Jan 19 25 Jan 6
5 4 46 19 Jan 27 Jan 8
6 6 10 15 Jan 21 Jan 6
7 6 11 15 Jan 21 Jan 6
8 6 12 15 Jan 24 Jan 9
9 6 13 15 Jan 24 Jan 9
10 6 23 15 Jan 23 Jan 8
11 29 39 25 Jan 30 Jan 5
12 29 47 22 Jan 26 Jan 4
13 Family gathering‡ 43 26 Jan 28 Jan 2
14 Interstate business‡ 44 15 Jan 23 Jan 8
15 36 48 20 Jan 23 Jan 3
16 36 49 21 Jan 24 Jan 3
17 36 50 20 Jan 30 Jan 10
18 36 51 20 Jan 30 Jan 10
19 36 52 20 Jan 30 Jan 10

*Because incidence was derived from a family gathering, dates of close contact and symptom onset are similar.
†Days between close contact and symptom onset.
‡Local residents for whom primary cases could not be traced.

Main Article

Page created: May 18, 2020
Page updated: May 18, 2020
Page reviewed: May 18, 2020
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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