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The role of age in the spreading of COVID-19 across a social network in Bucharest.
Hâncean, Marian-Gabriel; Lerner, Jürgen; Perc, Matjaz; Ghita, Maria Cristina; Bunaciu, David-Andrei; Stoica, Adelina Alexandra; Mihaila, Bianca-Elena.
  • Hâncean MG; Department of Sociology, University of Bucharest, Bucharest, Panduri 90-92, 050663, Romania.
  • Lerner J; Department of Computer and Information Science, University of Konstanz, 78457, Konstanz, Germany.
  • Perc M; Faculty of Natural Sciences and Mathematics, University of Maribor, Koroska cesta 160, 2000 Maribor, Slovenia, Department of Medical Research, China Medical University Hospital, China Medical University, Taichung 404332, Taiwan, Alma Mater Europaea, Slovenska ulica 17, 2000 Maribor, Slovenia and Com
  • Ghita MC; Department of Sociology, University of Bucharest, Bucharest, Panduri 90-92, 050663, Romania.
  • Bunaciu DA; Department of Sociology, University of Bucharest, Bucharest, Panduri 90-92, 050663, Romania.
  • Stoica AA; Department of Sociology, University of Bucharest, Bucharest, Panduri 90-92, 050663, Romania.
  • Mihaila BE; Department of Sociology, University of Bucharest, Bucharest, Panduri 90-92, 050663, Romania.
J Complex Netw ; 9(4): cnab026, 2021 Aug.
Article in English | MEDLINE | ID: covidwho-1434386
ABSTRACT
We analyse officially procured data detailing the COVID-19 transmission in Romania's capital Bucharest between 1st August and 31st October 2020. We apply relational hyperevent models on 19,713 individuals with 13,377 infection ties to determine to what degree the disease spread is affected by age whilst controlling for other covariate and human-to-human transmission network effects. We find that positive cases are more likely to nominate alters of similar age as their sources of infection, thus providing evidence for age homophily. We also show that the relative infection risk is negatively associated with the age of peers, such that the risk of infection increases as the average age of contacts decreases. Additionally, we find that adults between the ages 35 and 44 are pivotal in the transmission of the disease to other age groups. Our results may contribute to better controlling future COVID-19 waves, and they also point to the key age groups which may be essential for vaccination given their prominent role in the transmission of the virus.
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Full text: Available Collection: International databases Database: MEDLINE Type of study: Experimental Studies / Prognostic study / Randomized controlled trials Topics: Vaccines Language: English Journal: J Complex Netw Year: 2021 Document Type: Article Affiliation country: Comnet

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Full text: Available Collection: International databases Database: MEDLINE Type of study: Experimental Studies / Prognostic study / Randomized controlled trials Topics: Vaccines Language: English Journal: J Complex Netw Year: 2021 Document Type: Article Affiliation country: Comnet