Local risk perception enhances epidemic control


Autoři: José L. Herrera-Diestra aff001;  Lauren Ancel Meyers aff004
Působiště autorů: ICTP South American Institute for Fundamental Research, São Paulo, Brazil aff001;  IFT-UNESP, São Paulo, Brazil aff002;  CeSiMo, Facultad de Ingeniería, Universidad de Los Andes, Mérida, Venezuela aff003;  Department of Integrative Biology, The University of Texas at Austin, Austin, Texas, United States of America aff004
Vyšlo v časopise: PLoS ONE 14(12)
Kategorie: Research Article
doi: 10.1371/journal.pone.0225576

Souhrn

As infectious disease outbreaks emerge, public health agencies often enact vaccination and social distancing measures to slow transmission. Their success depends on not only strategies and resources, but also public adherence. Individual willingness to take precautions may be influenced by global factors, such as news media, or local factors, such as infected family members or friends. Here, we compare three modes of epidemiological decision-making in the midst of a growing outbreak using network-based mathematical models that capture plausible heterogeneity in human contact patterns. Individuals decide whether to adopt a recommended intervention based on overall disease prevalence, the proportion of social contacts infected, or the number of social contacts infected. While all strategies can substantially mitigate transmission, vaccinating (or self isolating) based on the number of infected acquaintances is expected to prevent the most infections while requiring the fewest intervention resources. Unlike the other strategies, it has a substantial herd effect, providing indirect protection to a large fraction of the population.

Klíčová slova:

Decision making – Epidemiology – Infectious disease control – Infectious disease epidemiology – Scale-free networks – Social epidemiology – Vaccination and immunization – Vaccines


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2019 Číslo 12