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. 2023 Jan 20;5(3):56–62. doi: 10.46234/ccdcw2023.011

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Copyright and License information: Editorial Office of CCDCW, Chinese Center for Disease Control and Prevention 2023

This work is licensed under a Creative Commons Attribution-NonCommercial-Share Alike 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/4.0/

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Figure S3 — Epidemiological transmission network of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Delta transmission in Hunan Province, China.

Note: A total of 13 infected visitors and 129 local infections are shown in the network, indicated by the dots. The lines and arrows indicate potential transmission routes. Direct contact refers to unprotected close contact with a confirmed SARS-CoV-2 infection. Indirect contact refers to potential contact with a confirmed SARS-CoV-2 infection through sharing the same residential communities, study or workplaces, inpatient wards, public transportation, or entertainment venues.