Stochastic modeling of animal epidemics using data collected over three different spatial scales.

Abstract:

:A stochastic, spatial, discrete-time, SEIR model of avian influenza epidemics among poultry farms in Pennsylvania is formulated. Using three different spatial scales wherein all the birds within a single farm, ZIP code, or county are clustered into a single point, we obtain three different views of the epidemics. For each spatial scale, two parameters within the viral-transmission kernel of the model are estimated using simulated epidemic data. We show that simulated epidemics modeled using data collected on the farm and ZIP-code levels behave similar to the actual underlying epidemics, but this is not true using data collected on the county level. Such analyses of data collected on different spatial scales are useful in formulating intervention strategies to control an ongoing epidemic (e.g., vaccination schedules and culling policies).

journal_name

Epidemics

journal_title

Epidemics

authors

Rorres C,Pelletier ST,Smith G

doi

10.1016/j.epidem.2011.02.003

subject

Has Abstract

pub_date

2011-06-01 00:00:00

pages

61-70

issue

2

eissn

1755-4365

issn

1878-0067

pii

S1755-4365(11)00007-7

journal_volume

3

pub_type

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