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Volume 10, Number 7—July 2004
Research

Model Parameters and Outbreak Control for SARS

Gerardo Chowell*†Comments to Author , Carlos Castillo-Chavez‡1, Paul W. Fenimore*, Christopher M. Kribs-Zaleta§, Leon Arriola*, and James M. Hyman*
Author affiliations: *Los Alamos National Laboratory, Los Alamos, New Mexico, USA; †Cornell University, Ithaca, New York, USA; ‡Arizona State University, Tempe, Arizona, USA; §University of Texas at Arlington, Arlington, Texas, USA

Main Article

Table 2

The median and the interquartile range (IQR) of the distribution of the basic reproductive number (R0) of SARS for Toronto, Hong Kong, and Singapore obtained from our uncertainty analysis

Location R0 mean R0 median R0 IQR
Toronto, Canada (l = 0.10) 0.86 0.58 0.24–1.18
Hong Kong (l = 0.43) 1.70 1.10 0.44–2.29
Singapore (l = 0.49) 1.83 1.17 0.47–2.47

Main Article

1At the time this work was carried out, Dr. Castillo-Chavez was on sabbatical at Los Alamos National Laboratory and faculty of Cornell University.

2Recall that l = 0 corresponds to complete isolation, whereas l = 1 means no effective isolation occurs. Hence, a decrease in l means an increase in the effective isolation of the infected persons.

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