About: Trends in influenza vaccination coverage in Portugal from 1998 to 2010: effect of major pandemic threats

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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	Trends in influenza vaccination coverage in Portugal from 1998 to 2010: effect of major pandemic threats
Creator	Nunes, Baltazar Branco, Maria Falcão, José Sousa Pinto, Cátia
Source	Medline; PMC
abstract	BACKGROUND: Vaccination is the key measure available for prevention of the public health burden of annual influenza epidemics. This article describes national trends in seasonal influenza vaccine (IV) coverage in Portugal from 1998/99 to 2010/11, analyzes progress towards meeting WHO 2010 coverage goals, and addresses the effect of major public health threats of the last 12 years (SARS in 2003/04, influenza A (H5N1) in 2005/06, and the influenza A (H1N1)2009 pandemic) on vaccination trends. METHODS: The National Institute of Health surveyed (12 times) a random sample of Portuguese families. IV coverage was estimated and was adjusted for age distribution and country region. Independence of age and sex coverage distribution was tested using a modified F-statistic with a 5% significance level. The effect of SARS, A (H5N1), and the A (H1N1)2009 pandemic was tested using a meta-regression model. The model was adjusted for IV coverage in the general population and in the age groups. RESULTS: Between 1998/99 and 2010/11 IV, coverage in the general population varied between 14.2% (CI (95%): 11.6%–16.8%) and 17.5% (CI (95%): 17.6%–21.6%). There was no trend in coverage (p = 0.097). In the younger age group (<15 years) a declining trend was identified until 2008/09 (p = 0.005). This trend reversed in 2009/10. There was also a gradual and significant increase in seasonal IV coverage in the elderly (p for trend < 0.001). After 2006/07, IV coverage remained near 50%. Adjusting for baseline trends, there was significantly higher coverage in the general population in 2003/04 (p = 0.032) and 2005/06 (p = 0.018). The high coverage observed in the <15-year age group in season 2009/10 was also significant (p = 0.015). CONCLUSIONS: IV coverage in the elderly population displayed an increasing trend, but the 75% WHO 2010 target was not met. This result indicates that influenza vaccination strategy should be improved to meet the ambitious WHO coverage goals. The major pandemic threats of the past decade had a modest but significant effect on seasonal influenza vaccination. There was an increase in vaccine uptake proportion in the general population in 2003/04 and in 2005/06, and in individuals <15 years old in 2009/10.
has issue date	2013-12-05(xsd:dateTime)
bibo:doi	10.1186/1471-2458-13-1130
bibo:pmid	24314008
has license	cc-by
sha1sum (hex)	d31c8c30c1aaad525d6a1714296376a091414e5e
schema:url	https://doi.org/10.1186/1471-2458-13-1130
resource representing a document's title	Trends in influenza vaccination coverage in Portugal from 1998 to 2010: effect of major pandemic threats
has PubMed Central identifier	PMC4028814
has PubMed identifier	24314008
schema:publication	BMC Public Health
resource representing a document's body	covid:d31c8c30c1aaad525d6a1714296376a091414e5e#body_text
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