About: Effect modification of environmental factors on influenza-associated mortality: a time-series study in two Chinese cities

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

Attributes	Values
type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
has title	Effect modification of environmental factors on influenza-associated mortality: a time-series study in two Chinese cities
Creator	Yang, Lin Peiris, Malik Chen, Ping Chan, King Deng, Ai Wong, Ming Feng He, Jian Quan Ou, Chun
Source	PMC
abstract	BACKGROUND: Environmental factors have been associated with transmission and survival of influenza viruses but no studies have ever explored the role of environmental factors on severity of influenza infection. METHODS: We applied a Poisson regression model to the mortality data of two Chinese metropolitan cities located within the subtropical zone, to calculate the influenza associated excess mortality risks during the periods with different levels of temperature and humidity. RESULTS: The results showed that high absolute humidity (measured by vapor pressure) was significantly (p < 0.05) associated with increased risks of all-cause and cardiorespiratory deaths, but not with increased risks of pneumonia and influenza deaths. The association between absolute humidity and mortality risks was found consistent among the two cities. An increasing pattern of influenza associated mortality risks was also found across the strata of low to high relative humidity, but the results were less consistent for temperature. CONCLUSIONS: These findings highlight the need for people with chronic cardiovascular and respiratory diseases to take extra caution against influenza during hot and humid days in the subtropics and tropics.
has issue date	2011-12-14(xsd:dateTime)
bibo:doi	10.1186/1471-2334-11-342
bibo:pmid	22168284
has license	cc-by
sha1sum (hex)	14c756dfe065a0ed1ff950195576f8975d209c93
schema:url	https://doi.org/10.1186/1471-2334-11-342
resource representing a document's title	Effect modification of environmental factors on influenza-associated mortality: a time-series study in two Chinese cities
has PubMed Central identifier	PMC3265445
has PubMed identifier	22168284
schema:publication	BMC Infect Dis
resource representing a document's body	covid:14c756dfe065a0ed1ff950195576f8975d209c93#body_text
is schema:about of	named entity 'CHINESE' named entity 'environmental factors' named entity 'Chinese' named entity 'ROLE' named entity 'SURVIVAL' named entity 'ENVIRONMENTAL FACTORS' named entity 'BUT' named entity 'INFLUENZA INFECTION' named entity 'SEVERITY' named entity 'STUDY' named entity 'ENVIRONMENTAL FACTORS' named entity 'CITIES' named entity 'ASSOCIATED WITH' named entity 'HAVE' named entity 'ASSOCIATED' named entity 'TIME' named entity 'SERIES' named entity 'EFFECT' named entity 'MORTALITY' named entity 'STUDIES' named entity 'TRANSMISSION' named entity 'INFLUENZA' named entity 'MODIFICATION' named entity 'INFLUENZA VIRUSES' named entity 'BACKGROUND' covid:arg/14c756dfe065a0ed1ff950195576f8975d209c93 named entity 'viruses' named entity 'influenza' named entity 'infection' named entity 'Effect modification' named entity 'time-series' named entity 'all-cause' named entity 'respiratory diseases' named entity 'vapor pressure' named entity 'meteorology' named entity '2004-2006' named entity 'likelihood ratio test' named entity 'Hong Kong' named entity 'Guangzhou' named entity 'spline smoothing' named entity 'relative humidity' named entity 'latitude' named entity 'Hong Kong' named entity 'influenza' named entity 'virus' named entity 'Hong Kong' named entity 'high temperature' named entity 'all-cause' named entity 'environmental factors' named entity 'pneumonia' named entity 'Guangzhou' named entity 'thrombotic' named entity 'influenza' named entity 'confounders' named entity 'data collected' named entity '2004-2006' named entity 'Guangzhou' named entity 'Hong Kong' named entity 'main effect' named entity 'International Classification of Diseases' named entity 'dummy variables' named entity 'virus' named entity 'relative humidity' named entity 'all-cause' named entity 'influenza' named entity 'influenza infection' named entity 'weather conditions' named entity 'likelihood ratio tests' named entity 'Guangzhou' named entity 'Hong Kong' named entity 'temperature effects' named entity 'Guangzhou' named entity 'higher risk' named entity 'smoothing functions'

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