About: The Influence of Meteorology on the Spread of Influenza: Survival Analysis of an Equine Influenza (A/H3N8) Outbreak

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About: The Influence of Meteorology on the Spread of Influenza: Survival Analysis of an Equine Influenza (A/H3N8) Outbreak Goto Sponge NotDistinct Permalink

An Entity of Type : schema:ScholarlyArticle, within Data Space : covidontheweb.inria.fr associated with source document(s)

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type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
title	The Influence of Meteorology on the Spread of Influenza: Survival Analysis of an Equine Influenza (A/H3N8) Outbreak
Creator	Ward, M Cogger, N Firestone, S Moloney, B Toribio, J-Alml
source	Medline; PMC
abstract	The influences of relative humidity and ambient temperature on the transmission of influenza A viruses have recently been established under controlled laboratory conditions. The interplay of meteorological factors during an actual influenza epidemic is less clear, and research into the contribution of wind to epidemic spread is scarce. By applying geostatistics and survival analysis to data from a large outbreak of equine influenza (A/H3N8), we quantified the association between hazard of infection and air temperature, relative humidity, rainfall, and wind velocity, whilst controlling for premises-level covariates. The pattern of disease spread in space and time was described using extraction mapping and instantaneous hazard curves. Meteorological conditions at each premises location were estimated by kriging daily meteorological data and analysed as time-lagged time-varying predictors using generalised Cox regression. Meteorological covariates time-lagged by three days were strongly associated with hazard of influenza infection, corresponding closely with the incubation period of equine influenza. Hazard of equine influenza infection was higher when relative humidity was <60% and lowest on days when daily maximum air temperature was 20–25°C. Wind speeds >30 km hour(−1) from the direction of nearby infected premises were associated with increased hazard of infection. Through combining detailed influenza outbreak and meteorological data, we provide empirical evidence for the underlying environmental mechanisms that influenced the local spread of an outbreak of influenza A. Our analysis supports, and extends, the findings of studies into influenza A transmission conducted under laboratory conditions. The relationships described are of direct importance for managing disease risk during influenza outbreaks in horses, and more generally, advance our understanding of the transmission of influenza A viruses under field conditions.
has issue date	2012-04-20(xsd:dateTime)
bibo:doi	10.1371/journal.pone.0035284
bibo:pmid	22536366
has license	cc-by
sha1sum (hex)	9b034efc9d262e8687f1ad7adb78fa7374d3e5ad
schema:url	https://doi.org/10.1371/journal.pone.0035284
resource representing a document's title	The Influence of Meteorology on the Spread of Influenza: Survival Analysis of an Equine Influenza (A/H3N8) Outbreak
has PubMed Central identifier	PMC3335077
has PubMed identifier	22536366
schema:publication	PLoS One
resource representing a document's body	covid:9b034efc9d262e8687f1ad7adb78fa7374d3e5ad#body_text
is schema:about of	named entity 'EQUINE INFLUENZA' named entity 'environmental' named entity 'combining' named entity 'survival analysis' named entity 'conditions' named entity 'interplay' named entity 'The pattern' named entity 'Equine' named entity 'AMBIENT TEMPERATURE' named entity 'CLEAR' named entity 'INFLUENZA INFECTION' named entity 'DISEASE RISK' named entity 'COX REGRESSION' named entity 'INCUBATION PERIOD' named entity 'ANALYSIS' named entity 'SPREAD' named entity 'LOWEST' named entity 'EMPIRICAL' named entity 'HAVE' named entity 'LEVEL' named entity 'COMBINING' named entity 'HAZARD' named entity 'ENVIRONMENTAL' named entity 'RECENTLY' named entity 'OUR' named entity 'MAPPING' named entity 'ESTIMATED' named entity 'DAYS' named entity 'CONTROLLING' named entity 'ASSOCIATED WITH' named entity 'DIRECTION' named entity 'PATTERN OF DISEASE' named entity 'EQUINE INFLUENZA' named entity 'LOCAL SPREAD' named entity 'INCREASED' named entity 'FIELD' named entity 'KRIGING' named entity 'APPLYING' named entity 'ESTABLISHED' named entity 'FINDINGS' named entity 'WIND VELOCITY' named entity 'GEOSTATISTICS' named entity 'RESEARCH' named entity 'DISEASE SPREAD' named entity 'INFLUENZA' named entity 'SURVIVAL ANALYSIS' named entity 'OUTBREAK' named entity 'ADVANCE' named entity 'DESCRIBED' named entity 'LARGE' named entity 'LABORATORY' named entity 'ASSOCIATION' named entity 'AIR TEMPERATURE' named entity 'SPACE AND TIME' named entity 'RELATIVE HUMIDITY' named entity 'TRANSMISSION' named entity 'INFLUENZA' named entity 'DIRECT' named entity 'METEOROLOGY' named entity 'WIND' named entity 'HORSES' named entity 'DATA' named entity 'SURVIVAL ANALYSIS' named entity 'GENERALISED' named entity 'OUTBREAK' named entity '28A' named entity 'STUDIES' named entity 'SPREAD' named entity 'INFLUENCE' named entity 'INFLUENZA A' named entity 'EPIDEMIC' named entity 'MAXIMUM' named entity 'DETAILED' named entity 'CONTROLLED' named entity 'SPEEDS' named entity 'UNDERLYING' named entity 'DAILY'

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