Abstract:
:The effectiveness of environmental decontamination (ED) as a measure in the control of infectious diseases is controversial. This work quantifies the effectiveness of ED by analysing the transmission of pathogens from the environment to susceptible hosts in a Susceptible-Infected-Susceptible model. Analysis of the model shows that ED can render a population disease-free only when the duration of infection (D) is within a certain range. As host-to-host transmission rate is increased, D falls outside this range and the higher levels of ED have a diminishing return in reducing the number of infected hosts at endemic equilibrium. To avoid this, ED can be combined with other control measures, such as treating infected individuals to push the duration of infection into the specified range. We propose decision criteria and minimum ED efforts required for control policies to be effective.
journal_name
Epidemiol Infectjournal_title
Epidemiology and infectionauthors
Bani-Yaghoub M,Gautam R,Döpfer D,Kaspar CW,Ivanek Rdoi
10.1017/S0950268811000604subject
Has Abstractpub_date
2012-03-01 00:00:00pages
542-53issue
3eissn
0950-2688issn
1469-4409pii
S0950268811000604journal_volume
140pub_type
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