ArticleInfluenza and other respiratory viruses2015
Factors associated with transmission of influenza-like illness in a cohort of households containing multiple children.
Article in Influenza and other respiratory viruses, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 1 of them a synthesis that pooled it.
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10 citing papers in PubMed, 1 synthesis or guideline pooled it, 14 citations in OpenAlex.
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- Distinct influenza surveillance networks and their agreement in recording regional influenza circulation: Experience from Southeast Michigan.Influenza and other respiratory viruses · 2022Article
- Rate of diagnosed seasonal influenza in children with influenza-like illness: A cross-sectional study.PloS one · 2022Article
- Effects of temperature, humidity, and diurnal temperature range on influenza incidence in a temperate region.Influenza and other respiratory viruses · 2020Article
- Risk factors and patterns of household clusters of respiratory viruses in rural Nepal.Epidemiology and infection · 2019Article
- Influenza vaccination effectiveness for people aged under 65 years in Japan, 2013/2014 season: application of a doubly robust method to a large-scale, real-world dataset.BMC infectious diseases · 2019Article
- Distribution of influenza virus types by age using case-based global surveillance data from twenty-nine countries, 1999-2014.BMC infectious diseases · 2018Article
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7 authors at 3 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundHousehold studies of influenza-like illness (ILI) afford opportunities to study determinants of respiratory virus transmission.
objectivesWe examined predictors of ILI transmission within households containing at least two children.
methodsA prospective cohort study recorded ILI symptoms daily for 2712 adult and child participants during the 1998 influenza season in Victoria, Australia. Logistic and Poisson regressions were used to explore predictors of household transmission of ILI and the secondary household attack proportion (SHAP). A date of illness onset during the influenza season was used as a proxy indicator of ILI associated with influenza infection (as opposed to other aetiological causes).
resultsA total of 1009 ILI episodes were reported by 781 of 2712 (29%) participants residing in 157 households. Transmission, defined as detection of ILI in one or more household members following identification of an index case, was observed in 206 of 705 (29%) household introductions. Transmission of ILI was significantly associated with the onset of ILI in the index case during the peak influenza season compared with the remainder of the observation period (37% versus 27%, odds ratio = 1·59, 95% CI 1·09, 2·31, P = 0·017). The SHAP was 0·12, higher if the index case was of secondary school age [incidence risk ratio (IRR) = 1·80, 95% CI 1·08, 2·98, P = 0·022].
conclusionsRisk of household transmission of ILI was increased during the peak influenza season, indicating an increased burden of disease during the period of influenza circulation. In this cohort, secondary-school-aged children and adults were important transmitters of ILI.
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