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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
decision sciences
Household epidemics: Modelling effects of early stage vaccination
Biometrical Journal, Volume 51, No. 3, Year 2009
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Description
A Markovian susceptible → infectious → removed (SIR) epidemic model is considered in a community partitioned into households. A vaccination strategy, which is implemented during the early stages of the disease following the detection of infected individuals is proposed. In this strategy, the detection occurs while an individual is infectious and other susceptible household members are vaccinated without further delay. Expressions are derived for the influence on the reproduction numbers of this vaccination strategy for equal and unequal household sizes. We fit previously estimated parameters from influenza and use household distributions for Sweden and Tanzania census data. The results show that the reproduction number is much higher in Tanzania (6 compared with 2) due to larger households, and that infected individuals have to be detected (and household members vaccinated) after on average 5 days in Sweden and after 3.3 days in Tanzania, a much smaller difference. © 2009 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Authors & Co-Authors
Shaban, Nyimvua
Sweden, Stockholm
Stockholms Universitet
Tanzania, Dar es Salaam
University of Dar es Salaam
Andersson, Mikael
Sweden, Stockholm
Stockholms Universitet
Svensson, Åke
Sweden, Stockholm
Stockholms Universitet
Britton, Tom C.
Sweden, Stockholm
Stockholms Universitet
Statistics
Citations: 7
Authors: 4
Affiliations: 2
Identifiers
Doi:
10.1002/bimj.200800172
ISSN:
03233847
e-ISSN:
15214036
Study Locations
Tanzania