Utility of the first few100 approach during the 2009 influenza A(H1N1) pandemic in the Netherlands

<p>Abstract</p> <p>Background</p> <p>To guide policy and control measures, decent scientific data are needed for a comprehensive assessment of epidemiological, clinical and virological characteristics of the First Few hundred (FF100) cases. We discuss the feasibility of...

Full description

Bibliographic Details
Main Authors: van Gageldonk-Lafeber Arianne B, van der Sande Marianne AB, Meijer Adam, Friesema Ingrid HM, Donker Gé A, Reimerink Johan, Robert-Du Ry van Beest Holle Mirna, Prins Jan M, Isken Leslie, Schellevis François G, van der Lubben Mariken IM
Format: Article
Language:English
Published: BMC 2012-09-01
Series:Antimicrobial Resistance and Infection Control
Online Access:http://www.aricjournal.com/content/1/1/30
_version_ 1811281243003682816
author van Gageldonk-Lafeber Arianne B
van der Sande Marianne AB
Meijer Adam
Friesema Ingrid HM
Donker Gé A
Reimerink Johan
Robert-Du Ry van Beest Holle Mirna
Prins Jan M
Isken Leslie
Schellevis François G
van der Lubben Mariken IM
author_facet van Gageldonk-Lafeber Arianne B
van der Sande Marianne AB
Meijer Adam
Friesema Ingrid HM
Donker Gé A
Reimerink Johan
Robert-Du Ry van Beest Holle Mirna
Prins Jan M
Isken Leslie
Schellevis François G
van der Lubben Mariken IM
author_sort van Gageldonk-Lafeber Arianne B
collection DOAJ
description <p>Abstract</p> <p>Background</p> <p>To guide policy and control measures, decent scientific data are needed for a comprehensive assessment of epidemiological, clinical and virological characteristics of the First Few hundred (FF100) cases. We discuss the feasibility of the FF100 approach during the 2009 pandemic and the added value compared with alternative data sources available.</p> <p>Methods</p> <p>The pandemic preparedness plan enabled us to perform a case–control study, assessing patient characteristics and risk factors for experiencing symptomatic influenza A(H1N1)2009 infection and providing insight into transmission. We assessed to what extent timely and novel data were generated compared to other available data sources.</p> <p>Results</p> <p>In May-December 2009, a total of 68 cases and 48 controls were included in the study. Underlying non-respiratory diseases were significantly more common among cases compared to controls, while a protective effect was found for frequent hand washing. Seroconversion was found for 7/30 controls (23%), and persisting high titers for 4/30 controls (13%). The labour-intensive study design resulted in slow and restricted recruitment.</p> <p>Conclusions</p> <p>The findings of our case–control study gave new insights in transmission risks and possible interventions for improved control. Nevertheless, the FF100 approach lacked timeliness and power due to limited recruitment. For future pandemics we suggest pooling data from several countries, to enable collecting sufficient data in a relatively short period.</p>
first_indexed 2024-04-13T01:28:53Z
format Article
id doaj.art-c3523288b1e04dd7930402429e748625
institution Directory Open Access Journal
issn 2047-2994
language English
last_indexed 2024-04-13T01:28:53Z
publishDate 2012-09-01
publisher BMC
record_format Article
series Antimicrobial Resistance and Infection Control
spelling doaj.art-c3523288b1e04dd7930402429e7486252022-12-22T03:08:33ZengBMCAntimicrobial Resistance and Infection Control2047-29942012-09-01113010.1186/2047-2994-1-30Utility of the first few100 approach during the 2009 influenza A(H1N1) pandemic in the Netherlandsvan Gageldonk-Lafeber Arianne Bvan der Sande Marianne ABMeijer AdamFriesema Ingrid HMDonker Gé AReimerink JohanRobert-Du Ry van Beest Holle MirnaPrins Jan MIsken LeslieSchellevis François Gvan der Lubben Mariken IM<p>Abstract</p> <p>Background</p> <p>To guide policy and control measures, decent scientific data are needed for a comprehensive assessment of epidemiological, clinical and virological characteristics of the First Few hundred (FF100) cases. We discuss the feasibility of the FF100 approach during the 2009 pandemic and the added value compared with alternative data sources available.</p> <p>Methods</p> <p>The pandemic preparedness plan enabled us to perform a case–control study, assessing patient characteristics and risk factors for experiencing symptomatic influenza A(H1N1)2009 infection and providing insight into transmission. We assessed to what extent timely and novel data were generated compared to other available data sources.</p> <p>Results</p> <p>In May-December 2009, a total of 68 cases and 48 controls were included in the study. Underlying non-respiratory diseases were significantly more common among cases compared to controls, while a protective effect was found for frequent hand washing. Seroconversion was found for 7/30 controls (23%), and persisting high titers for 4/30 controls (13%). The labour-intensive study design resulted in slow and restricted recruitment.</p> <p>Conclusions</p> <p>The findings of our case–control study gave new insights in transmission risks and possible interventions for improved control. Nevertheless, the FF100 approach lacked timeliness and power due to limited recruitment. For future pandemics we suggest pooling data from several countries, to enable collecting sufficient data in a relatively short period.</p>http://www.aricjournal.com/content/1/1/30
spellingShingle van Gageldonk-Lafeber Arianne B
van der Sande Marianne AB
Meijer Adam
Friesema Ingrid HM
Donker Gé A
Reimerink Johan
Robert-Du Ry van Beest Holle Mirna
Prins Jan M
Isken Leslie
Schellevis François G
van der Lubben Mariken IM
Utility of the first few100 approach during the 2009 influenza A(H1N1) pandemic in the Netherlands
Antimicrobial Resistance and Infection Control
title Utility of the first few100 approach during the 2009 influenza A(H1N1) pandemic in the Netherlands
title_full Utility of the first few100 approach during the 2009 influenza A(H1N1) pandemic in the Netherlands
title_fullStr Utility of the first few100 approach during the 2009 influenza A(H1N1) pandemic in the Netherlands
title_full_unstemmed Utility of the first few100 approach during the 2009 influenza A(H1N1) pandemic in the Netherlands
title_short Utility of the first few100 approach during the 2009 influenza A(H1N1) pandemic in the Netherlands
title_sort utility of the first few100 approach during the 2009 influenza a h1n1 pandemic in the netherlands
url http://www.aricjournal.com/content/1/1/30
work_keys_str_mv AT vangageldonklafeberarianneb utilityofthefirstfew100approachduringthe2009influenzaah1n1pandemicinthenetherlands
AT vandersandemarianneab utilityofthefirstfew100approachduringthe2009influenzaah1n1pandemicinthenetherlands
AT meijeradam utilityofthefirstfew100approachduringthe2009influenzaah1n1pandemicinthenetherlands
AT friesemaingridhm utilityofthefirstfew100approachduringthe2009influenzaah1n1pandemicinthenetherlands
AT donkergea utilityofthefirstfew100approachduringthe2009influenzaah1n1pandemicinthenetherlands
AT reimerinkjohan utilityofthefirstfew100approachduringthe2009influenzaah1n1pandemicinthenetherlands
AT robertduryvanbeesthollemirna utilityofthefirstfew100approachduringthe2009influenzaah1n1pandemicinthenetherlands
AT prinsjanm utilityofthefirstfew100approachduringthe2009influenzaah1n1pandemicinthenetherlands
AT iskenleslie utilityofthefirstfew100approachduringthe2009influenzaah1n1pandemicinthenetherlands
AT schellevisfrancoisg utilityofthefirstfew100approachduringthe2009influenzaah1n1pandemicinthenetherlands
AT vanderlubbenmarikenim utilityofthefirstfew100approachduringthe2009influenzaah1n1pandemicinthenetherlands