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Epidemic trajectories and awareness diffusion among unequals in simplicial complexes
Lijin Liu, Meiling Feng, Chengyi Xia, Dawei Zhao, Matjaž Perc, 2023, izvirni znanstveni članek

Opis: The interplay between awareness diffusion and epidemic spreading has been an active topic of research in recent years. Studies have shown that group interactions are an important consideration in contagion processes, and that thus higher-order interactions should be introduced into epidemic modeling. Research has also shown that individual responses to an unfolding epidemic are often strongly heterogeneous. We therefore present a two-layer network model, where the diffusion of awareness unfolds over 2-simplicial complexes in one layer, and the actual epidemic spreading unfolds over pairwise physical contacts in the other layer. The model takes into account individual differences in the degree of acceptance of information and self-protection measures once the epidemic is perceived. We use the micro Markov chain approach to determine the epidemic threshold of the model, which agrees well with the results obtained by Monte Carlo simulations. We show that the synergistic reinforcement due to 2-simplicial complexes in the virtual layer can restrain epidemic spreading by facilitating awareness diffusion, and moreover, that individual heterogeneity in the physical layer can increase the epidemic threshold and decrease the size of epidemic transmission. However, heterogeneity in the perception can also have the opposite effect because it inhibits the diffusion of awareness. Our results reveal the intricate interplay between awareness diffusion and epidemic spreading, and we hope they can help determine effective control measures.
Ključne besede: higher-order interactions, awareness diffusion, epidemic spreading, multiplex network, social physics
Objavljeno v DKUM: 21.06.2024; Ogledov: 50; Prenosov: 0
.pdf Celotno besedilo (1,23 MB)
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Distance education during the Covid-10 epidemic as a challenge and opportunity for the personal and professional development of a school librarian
Metka Kostanjevec, 2021, objavljeni strokovni prispevek na konferenci

Opis: Due to the COVID-19 epidemic, all schools had to close their doors last year. Classes moved to a virtual environment, and students and teachers were left without the opportunity to visit school libraries overnight. Therefore, the school library of the Prva gimnazija Maribor has operated smoothly throughout the time of the epidemic and strives to facilitate the work of students, teachers, and other employees as much as possible, continue to promote reading, develop reading and information literacy, and at the same time enrich the educational process. The article presents how we found our way to our readers despite the difficult situation.
Ključne besede: school library, school librarian, distance education, COVID-19 epidemic, Prva gimnazija Maribor
Objavljeno v DKUM: 26.01.2024; Ogledov: 210; Prenosov: 9
.pdf Celotno besedilo (345,97 KB)
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City size and the spreading of COVID-19 in Brazil
Haroldo V. Ribeiro, Andre S. Sunahara, Jack Sutton, Matjaž Perc, Quentin S. Hanley, 2020, izvirni znanstveni članek

Opis: The current outbreak of the coronavirus disease 2019 (COVID-19) is an unprecedented example of how fast an infectious disease can spread around the globe (especially in urban areas) and the enormous impact it causes on public health and socio-economic activities. Despite the recent surge of investigations about different aspects of the COVID-19 pandemic, we still know little about the effects of city size on the propagation of this disease in urban areas. Here we investigate how the number of cases and deaths by COVID-19 scale with the population of Brazilian cities. Our results indicate small towns are proportionally more affected by COVID-19 during the initial spread of the disease, such that the cumulative numbers of cases and deaths per capita initially decrease with population size. However, during the long-term course of the pandemic, this urban advantage vanishes and large cities start to exhibit higher incidence of cases and deaths, such that every 1% rise in population is associated with a 0.14% increase in the number of fatalities per capita after about four months since the first two daily deaths. We argue that these patterns may be related to the existence of proportionally more health infrastructure in the largest cities and a lower proportion of older adults in large urban areas. We also find the initial growth rate of cases and deaths to be higher in large cities; however, these growth rates tend to decrease in large cities and to increase in small ones over time.
Ključne besede: COVID-19, coronavirus, scaling, city size, epidemic, prediction
Objavljeno v DKUM: 12.11.2020; Ogledov: 889; Prenosov: 263
.pdf Celotno besedilo (1,23 MB)
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