2021
DOI: 10.1016/j.eclinm.2021.100929
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Uncovering transmission patterns of COVID-19 outbreaks: A region-wide comprehensive retrospective study in Hong Kong

Abstract: Background Given the dynamism and heterogeneity of COVID-19 transmission patterns, determining the most effective yet timely strategies for specific regions remains a severe challenge for public health decision-makers. Methods In this work, we proposed a spatiotemporal connectivity analysis method for discovering transmission patterns across geographic locations and age-groups throughout different COVID-19 outbreak phases. First, we constructed the transmission networks… Show more

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Cited by 23 publications
(16 citation statements)
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“…First, we considered the dataset from Hong Kong ( figure 4 a (i)). A previous study [ 35 ] reconstructed the transmission network of cases in that region (between 23 January 2020 and 8 January 2021; although in principle a similar analysis could be conducted at a smaller spatial scale for shorter time periods, as would likely be most useful for early real-time estimation of R t ), inferring the ‘outdegree’ of imported and local cases. Based on the aggregated data shown in table 1 of that study, the mean outdegree was 0.74 for imported cases and 3.68 for local cases, which corresponds to a value of ε = 0.2.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…First, we considered the dataset from Hong Kong ( figure 4 a (i)). A previous study [ 35 ] reconstructed the transmission network of cases in that region (between 23 January 2020 and 8 January 2021; although in principle a similar analysis could be conducted at a smaller spatial scale for shorter time periods, as would likely be most useful for early real-time estimation of R t ), inferring the ‘outdegree’ of imported and local cases. Based on the aggregated data shown in table 1 of that study, the mean outdegree was 0.74 for imported cases and 3.68 for local cases, which corresponds to a value of ε = 0.2.…”
Section: Resultsmentioning
confidence: 99%
“…Incidence data were obtained for the time period from 23 January to 24 March 2020 [34]. Cases were classified as imported if they were listed as ‘imported case, confirmed’ in the Hong Kong Department of Health COVID-19 database (see [35] for further details). All other cases were classified as local cases.Hainan Province, China (figure 4 a (ii)).…”
Section: Methodsmentioning
confidence: 99%
“…In Hong Kong or mainland China, we found no peer-reviewed publications specifically on “pandemic fatigue” as a self-reported subjective feeling, although usage of the term by the mass media has become widespread and popular. Moreover, the fourth wave outbreak in Hong Kong (from November 2020 to March 2021) has been attributed to pandemic fatigue, with lapses in social distancing and mask-wearing resulting in singing and dancing clusters with over 730 confirmed cases in November 2020 20 , 21 .…”
Section: Introductionmentioning
confidence: 99%
“…In addition, it has been discussed that central government-led methods, such as in South Korea, should be careful in responding to a large population that is geographically spread [ 51 ]. Infectious diseases spread according to the regional hierarchy [ 73 ], which is demonstrated by the fact that COVID-19 spreads from major cities to small cities [ 74 ]. For sustainable management of infectious diseases, this means that local government-centered policies are needed rather than central government-led crisis management responses.…”
Section: Discussionmentioning
confidence: 99%