ArticleWestern Pacific surveillance and response journal : WPSAR2012
Influenza B outbreak in a primary school in Adelaide, Australia, 2011.
Article in Western Pacific surveillance and response journal : WPSAR, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
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Who cites it
3 citing papers in PubMed.
- Influenza A (H1N1)pdm09 outbreak of unknown source in a Ghanaian senior high school.BMC public health · 2020Article
- Outbreak detection of influenza-like illness in Prey Veng Province, Cambodia: a community-based surveillance.Nagoya journal of medical science · 2019Article
- Circulation of influenza B lineages in northern Viet Nam, 2007-2014.Western Pacific surveillance and response journal : WPSARArticle
Corrections and comments
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
introductionThis report describes a 2011 seasonal influenza B outbreak in a metropolitan primary school in Australia with 179 students.
methodsEpidemiological, microbiological and environmental investigations were undertaken. A retrospective cohort study was conducted using a questionnaire that included demographic data, details of illness, chronic health conditions and vaccination status. Influenza-like illness (ILI) was defined as fever plus cough and/or sore throat. Analysis of ILI was undertaken with the χ(2) test and Fisher's exact test.
resultsSeventy-two questionnaire respondents (75%) reported illness during the outbreak - 43 with ILI, giving an attack rate of 45%. There was no association between ILI and age or chronic lung disease. Six (6%) students were vaccinated against influenza before the outbreak; although four became ill, none satisfied the ILI case definition. Seven students were positive for influenza B including two confirmed as B/Brisbane/60/2008-like; one student was positive for rhinovirus and another for metapneumovirus. The recommended influenza vaccine matched the circulating influenza strains. DISCUSSION: This cohort study estimated a high ILI attack rate and demonstrated low influenza vaccine coverage within the setting of a primary school. Gastrointestinal symptoms, in addition to constitutional and respiratory symptoms, were common.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.