Network Epidemics and Early Stage Vaccination: The Effects of Infectious and Vaccination Delay Periods and Their Randomness

dc.creatorShaban, Nyimvua
dc.creatorAndersson, Mikael
dc.creatorSvensson, Åke
dc.creatorBritton, Tom
dc.date2016-09-21T12:16:34Z
dc.date2016-09-21T12:16:34Z
dc.date2011
dc.date.accessioned2018-03-27T08:58:20Z
dc.date.available2018-03-27T08:58:20Z
dc.descriptionIt is known that the distributions of the latent and infectious periods affect the dynamics of the spread of an infectious disease. Here we consider the SEIR epidemic model describing the spread of an infectious disease giving life-long immunity in a community whose social structure can be represented by a simple random graph having a pre-specified degree distribution. Two real time vaccination strategies, based on tracing and vaccinating the friends of infectious individuals during the early stages of an epidemic, are proposed. The first strategy considers vaccination of each friend of a detected infectious individual independently with probability ρ. The second strategy sets an upper bound on the number of friends an individual can infect before being detected. We derive both the basic reproduction number and the strategy-specific reproduction numbers and show that these reproduction numbers decrease when the variances of the infectious period and the time to detection increase. Under the assumption that detection may only occur after the latent period, the reproduction numbers are independent of the distribution of the latent period.
dc.identifierShaban, N., Andersson, M., Svensson, Å. and Britton, T., 2011. Network epidemics and early stage vaccination: the effects of infectious and vaccination delay periods and their randomness. Pioneer Journal of Mathematics and Mathematical Sciences, 3(1), pp.55-72.
dc.identifier1650-0377
dc.identifierhttp://hdl.handle.net/20.500.11810/3801
dc.identifier.urihttp://hdl.handle.net/20.500.11810/3801
dc.languageen
dc.subjectBranching approximation
dc.subjectCoefficient of variation
dc.subjectDegree distribution
dc.subjectEpidemic models
dc.subjectSocial networks
dc.subjectVaccination strategies
dc.titleNetwork Epidemics and Early Stage Vaccination: The Effects of Infectious and Vaccination Delay Periods and Their Randomness
dc.typeJournal Article, Peer Reviewed

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