Pandemic (H1N1) 2009 virus outbreak in a school in London, April-May 2009: An observational study

L. Calatayud; S. Kurkela; P. E. Neave; A. Brock; S. Perkins; M. Zuckerman; M. Sudhanva; Alison Bermingham; Joanna Ellis; Richard Pebody; Mike Catchpole; R. Heathcock; Helen Maguire

doi:10.1017/S0950268809991191

Pandemic (H1N1) 2009 virus outbreak in a school in London, April-May 2009: An observational study

L. Calatayud, S. Kurkela, P. E. Neave, A. Brock, S. Perkins, M. Zuckerman, M. Sudhanva, Alison Bermingham, Joanna Ellis, Richard Pebody, Mike Catchpole, R. Heathcock, Helen Maguire^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

53 Citations (Scopus)

Abstract

On 29 April 2009, an imported case of pandemic (H1N1) 2009 virus infection was detected in a London school. As further cases, pupils and staff members were identified, school closure and mass prophylaxis were implemented. An observational descriptive study was conducted to provide an insight into the clinical presentation and transmission dynamics in this setting. Between 15 April and 15 May 2009, 91 symptomatic cases were identified: 33 were confirmed positive for pandemic (H1N1) 2009 virus infection; 57 were tested negative; in one the results were unavailable. Transmission occurred first within the school, and subsequently outside. Attack rates were 2% in pupils (15% in the 11-12 years age group) and 17% in household contacts. The predominant symptoms were fever (97%), respiratory symptoms (91%), and sore throat (79%). Limited spread in the school may have been due to a combination of school closure and mass prophylaxis. However, transmission continued through household contacts to other schools.

Original language	English
Pages (from-to)	183-191
Number of pages	9
Journal	Epidemiology and Infection
Volume	138
Issue number	2
DOIs	https://doi.org/10.1017/S0950268809991191
Publication status	Published - Feb 2010

Bibliographical note

Copyright:
Copyright 2010 Elsevier B.V., All rights reserved.

Keywords

Infection control
Infection transmission
Outbreaks
Respiratory infections
Swine-origin influenza A H1N1 virus

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1017/S0950268809991191

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Calatayud, L., Kurkela, S., Neave, P. E., Brock, A., Perkins, S., Zuckerman, M., Sudhanva, M., Bermingham, A., Ellis, J., Pebody, R., Catchpole, M., Heathcock, R., & Maguire, H. (2010). Pandemic (H1N1) 2009 virus outbreak in a school in London, April-May 2009: An observational study. Epidemiology and Infection, 138(2), 183-191. https://doi.org/10.1017/S0950268809991191

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Pandemic (H1N1) 2009 virus outbreak in a school in London, April-May 2009: An observational study

Abstract

Bibliographical note

Keywords

UN SDGs

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