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Int. J. Environ. Res. Public Health 2017, 14(12), 1469; https://doi.org/10.3390/ijerph14121469

Climatic Factors and Influenza Transmission, Spain, 2010–2015

1
National Centre for Epidemiology, Carlos III Institute of Health, Monforte de Lemos 5, 28029 Madrid, Spain
2
Consortium for Biomedical Research in Epidemiology and Public Health (CIBER Epidemiología y Salud Pública—CIBERESP), Monforte de Lemos 5, 28029 Madrid, Spain
*
Author to whom correspondence should be addressed.
Received: 15 September 2017 / Revised: 23 November 2017 / Accepted: 24 November 2017 / Published: 28 November 2017
(This article belongs to the Section Global Health)
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Abstract

The spatio-temporal distribution of influenza is linked to variations in meteorological factors, like temperature, absolute humidity, or the amount of rainfall. The aim of this study was to analyse the association between influenza activity, and meteorological variables in Spain, across five influenza seasons: 2010–2011 through to 2014–2015 using generalized linear negative binomial mixed models that we calculated the weekly influenza proxies, defined as the weekly influenza-like illness rates, multiplied by the weekly proportion of respiratory specimens that tested positive for influenza. The results showed an association between influenza transmission and dew point and cumulative precipitation. In increase in the dew point temperature of 5 degrees produces a 7% decrease in the Weekly Influenza Proxy (RR 0.928, IC: 0.891–0.966), and while an increase of 10 mm in weekly rainfall equates to a 17% increase in the Weekly Influenza Proxy (RR 1.172, IC: 1.097–1.251). Influenza transmission in Spain is influenced by variations in meteorological variables as temperature, absolute humidity, or the amount of rainfall. View Full-Text
Keywords: influenza transmission; meteorological parameters; absolute humidity; rainfall; spatio-temporal mixed models influenza transmission; meteorological parameters; absolute humidity; rainfall; spatio-temporal mixed models
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Gomez-Barroso, D.; León-Gómez, I.; Delgado-Sanz, C.; Larrauri, A. Climatic Factors and Influenza Transmission, Spain, 2010–2015. Int. J. Environ. Res. Public Health 2017, 14, 1469.

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