Changes in community networks impact the ensuing spread of disease


Sumary of Changes in community networks impact the ensuing spread of disease:

  • The COVID-19 pandemic has made clear the importance of understanding precisely how diseases spread throughout networks of transportation..
  • However, rigorously determining the connection between disease risk and changing networks–which either humans or the environment may alter–is challenging due to the complexity of these systems..
  • van den Driessche (University of Victoria), and Xueying Wang (Washington State University) study the way in which changes in a network of multiple interconnected communities impact the ensuing spread of disease..
  • The four researchers were hosted as a Structured Quartet Research Ensemble by the American Institute of Mathematics..
  • A common mathematical model uses several interconnected patches to represent separate geographical regions that are connected by transportation networks..
  • Diseases are often transmitted along these kinds of networks via insects like mosquitoes and ticks, which may hitch rides on people or goods..
  • To answer this question, the researchers sought to measure the basic reproduction number R0 of the network as a whole..
  • R0 determines a disease’s invasibility — if it is greater than 1, the number of infections will most likely grow;…

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