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Effects of circulation weather types on influenza hospital admissions in Spain

Abstract: In this study, we use a statistical approach based on generalized additive models, linking atmospheric circulation and the number of influenza-related hospital admissions in the Spanish Iberian Peninsula during 2003?2013. The relative risks are estimated for administrative units in the Spanish territory, which is politically structured into 15 regions called autonomous communities. A catalog of atmospheric circulation types is defined for this purpose. The relationship between the exposure and response variables is modeled using a distributed lag nonlinear model (DLNM). Types from southwest and anticyclonic are significant in terms of the probability of having more influenza-related hospital admissions for all of Spain. The heterogeneity of the results is very high. The relative risk is also estimated for each autonomous community and weather type, with the maximum number of influenza-related hospital admissions associated with circulation types from the southwest and the south. We identify six specific situations where relative risk is considered extreme and twelve with a high risk of increasing influenza-related hospital admissions. The rest of the situations present a moderate risk. Atmospheric local conditions become a key factor for understanding influenza spread in each spatial unit of the Peninsula. Further research is needed to understand how different weather variables (temperature, humidity, and sun radiation) interact and promote the spread of influenza.

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 Autoría: Fdez-Arróyabe P., Marti-Ezpeleta A., Royé D., Zarrabeitia A.S.,

 Congreso: European Biometeorologists'' Meeting (1º : 2019 : Varsovia)

 Editorial: Springer

 Año de publicación: 2021

 Tipo de publicación: Comunicación a Congreso

 DOI: 10.1007/s00484-021-02107-y

 ISSN: 1432-1254,0020-7128

 Proyecto español: CSO2016-75154-R

 Url de la publicación: https://doi.org/10.1007/s00484-021-02107-y