Volume 68, Issue 2

A Space–Time Conditional Intensity Model for Invasive Meningococcal Disease Occurrence

Sebastian Meyer

Corresponding Author

Department of Psychiatry and Psychotherapy, Ludwig‐Maximilians‐Universität, 80336 München, Germany

Department of Statistics, Ludwig‐Maximilians‐Universität, 80539 München, Germany

email: Sebastian.Meyer@med.uni‐muenchen.de

email: HoehleM@rki.de

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Johannes Elias

German Reference Centre for Meningococci, University of Würzburg, 97080 Würzburg, Germany

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Michael Höhle

Corresponding Author

Department of Statistics, Ludwig‐Maximilians‐Universität, 80539 München, Germany

Department for Infectious Disease Epidemiology, Robert Koch Institute, 13086 Berlin, Germany

email: Sebastian.Meyer@med.uni‐muenchen.de

email: HoehleM@rki.de

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First published: 09 October 2011
Citations: 25

Abstract

Summary A novel point process model continuous in space–time is proposed for quantifying the transmission dynamics of the two most common meningococcal antigenic sequence types observed in Germany 2002–2008. Modeling is based on the conditional intensity function (CIF), which is described by a superposition of additive and multiplicative components. As an epidemiological interesting finding, spread behavior was shown to depend on type in addition to age: basic reproduction numbers were 0.25 (95% CI 0.19–0.34) and 0.11 (95% CI 0.07–0.17) for types B:P1.7–2,4:F1–5 and C:P1.5,2:F3–3, respectively. Altogether, the proposed methodology represents a comprehensive and universal regression framework for the modeling, simulation, and inference of self‐exciting spatiotemporal point processes based on the CIF. Usability of the modeling in biometric practice is promoted by an implementation in the R package surveillance.

Number of times cited according to CrossRef: 25

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