Wolfgang Wegener

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Recent expansion of highly pathogenic avian infl uenza H5N1: a critical review. In Response: Sengupta et al. (1) discuss the role of ecoregions in the distribution of HPAI (H5N1) outbreaks. Although the concept of ecore-gions is undoubtedly useful in global biogeography, we do not understand the point they are trying to make. In our article (2), which is(More)
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