Johannes M. Dreesman

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Early detection of potential health threats is crucial for taking actions in time. It is unclear in which information source an event is reported first and, information from various sources can be complementing. Thus, it is important to search for information in a very broad range of sources. Furthermore, real-time processing is necessary to deal with the(More)
Early detection of disease outbreaks is crucial for public health officials to react and report in time. Currently, novel approaches and sources of information are investigated to address this challenge. For example, data sources such as blogs or Twitter messages become increasingly important for epidemiologic surveillance. In traditional surveillance,(More)
Based on measles case data from pediatricians in Lower Saxony, a simulation study was conducted in order to reproduce the current vaccination-disease relationship and afrerwards predict the impact of different vaccination strategies. The programs were written in S-Plus and make use of the language's array processing facilities. The process of infection was(More)
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