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Randomized Controlled Trial
. 2013 Nov;7(6):1088-92.
doi: 10.1111/irv.12021. Epub 2012 Oct 19.

Characteristics of respiratory viral infections during influenza season in Canadian Hutterite Communities

Tae H Kim  1 , Margaret L Russell, Kevin Fonseca, Fred Aoki, Gregory Horsman, Paul Van Caeseele, Khami Chokani, Mark Voight, Lorne Babiuk, Lorraine Moss, Richard Webby, David J D Earn, Pardeep Singh, Cassandra Howse, Mark Loeb
Affiliations
Randomized Controlled Trial

Characteristics of respiratory viral infections during influenza season in Canadian Hutterite Communities

Tae H Kim et al. Influenza Other Respir Viruses. 2013 Nov.

Abstract

Objectives: To determined the pathogen-specific incidence of respiratory virus infection in Hutterite communities occurring over the 2008-2009 influenza season and assess temporal characteristics of respiratory illness related to infection.

Methods: 3273 participants community members enrolled in a cluster randomized trial of influenza vaccine were studied.

Results: One hundred forty-nine participants had laboratory-confirmed influenza, and 595 had at least one episode of laboratory-confirmed respiratory viral infection other than influenza. Entero/rhinovirus had the highest incidence among children<5 years.

Conclusions: A decline in the incidence of infections with age was observed for influenza as well as for most other respiratory viruses.

Keywords: Cohort study; entero/rhinovirus; respiratory viruses.

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Figures

Figure 1
Figure 1
Age group–specific incidences of respiratory viruses, including seasonal influenza, during the influenza season per 1000 person‐days.
Figure 2
Figure 2
Periods of occurrence and numbers of cases of respiratory viruses by CDC weeks during the influenza season 2008–2009. The periods of occurrence for each virus are indicated by a horizontal line with the corresponding epidemic midpoint identified by a black circle.
See this image and copyright information in PMC

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