Endemic-epidemic models with discrete-time serial interval distributions for infectious disease prediction

Johannes Bracher and Leonhard Held

International Journal of Forecasting, 2022, vol. 38, issue 3, 1221-1233

Abstract: Multivariate count time series models are an important tool for analyzing and predicting the spread of infectious disease. We consider the endemic-epidemic framework, a class of autoregressive models for infectious disease surveillance counts, and replace the default autoregression on counts from the previous time period with more flexible weighting schemes inspired by discrete-time serial interval distributions. We employ three different parametric formulations, each with an additional unknown weighting parameter estimated via a profile likelihood approach, and compare them to an unrestricted nonparametric approach. The new methods are illustrated in a univariate analysis of dengue fever incidence in San Juan, Puerto Rico, and a spatiotemporal study of viral gastroenteritis in the 12 districts of Berlin. We assess the predictive performance of the suggested models and several reference models at various forecast horizons. In both applications, the performance of the endemic-epidemic models is considerably improved by the proposed weighting schemes.

Keywords: Disease surveillance; Epidemic forecasting; Multivariate logarithmic score; Spatio-temporal modelling; Time series of counts (search for similar items in EconPapers)
Date: 2022
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Citations: View citations in EconPapers (4)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:intfor:v:38:y:2022:i:3:p:1221-1233

DOI: 10.1016/j.ijforecast.2020.07.002

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