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Logistic Growth Models for Estimating Vaccination Effects In Infectious Disease Transmission Experiments

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Title: Logistic Growth Models for Estimating Vaccination Effects In Infectious Disease Transmission Experiments
Author: Cai, Longyao
Department: Department of Mathematics and Statistics
Program: Mathematics and Statistics
Advisor: Deardon, Rob
Abstract: Veterinarians often perform controlled experiments in which they inoculate animals with infectious diseases. They then monitor the transmission process in infected animals. The aim of such experiments can be to assess vaccine effects. The fitting of individual-level models (ILMs) to the infectious disease data, typically achieved by means of Markov Chain Monte Carlo (MCMC) methods, can be computationally burdensome. Here, we want to see if a vaccination effect can be identified using simpler regression-type models rather than the complex infectious disease models. We examine the use of various logistic growth curve models, via a series of simulated experiments in which the underlying true model is a mechanistic model of infectious disease spread. We want to investigate whether a vaccination effect can be identified when only partial epidemic curves are observed, and to assess the performance of these models when experiments are run with various sets of observational times.
URI: http://hdl.handle.net/10214/5314
Date: 2013-01


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http://creativecommons.org/licenses/by/2.5/ca/ Except where otherwise noted, this item's license is described as http://creativecommons.org/licenses/by/2.5/ca/