Topological dynamics of the 2015 South Korea MERS-CoV spread-on-contact networks.

Scientific Reports
Chang Hoon Yang, Hyejin Jung

Abstract

Network analysis to examine infectious contact relations provides an important means to uncover the topologies of individual infectious contact networks. This study aims to investigate the spread of diseases among individuals over contact networks by exploring the 2015 Middle East Respiratory Syndrome (MERS) outbreak in Korea. We present several distinct features of MERS transmission by employing a comprehensive approach in network research to examine both the traced relationship matrix of infected individuals and their bipartite transmission routes among healthcare facilities visited for treatment. The results indicate that a few super-spreaders were more likely to hold certain structural advantages by linking to an exceptional number of other individuals, causing several ongoing transmission events in neighbourhoods without the aid of any intermediary. Thus, the infectious contact network exhibited small-world dynamics characterised by locally clustered contacts exposed to transmission paths via short path lengths. In addition, nosocomial infection analysis shows the pattern of a common-source outbreak followed by secondary person-to-person transmission of the disease. Based on the results, we suggest policy implications rela...Continue Reading

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Citations

Aug 11, 2020·Journal of Travel Medicine·Sarita Azad, Sushma Devi
Feb 2, 2021·Tropical Diseases, Travel Medicine and Vaccines·A Wilder-Smith
Jul 3, 2021·International Journal of Environmental Research and Public Health·Chun-Hsiang Chan, Tzai-Hung Wen
Jun 27, 2021·Journal of Infection and Public Health·Engin BerberNurettin Çanakoğlu

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