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Influenza Outbreaks during World Youth Day 2008 Mass Gathering

Influenza outbreaks during mass gatherings have been rarely described, and detailed virologic assessment is lacking. An influenza outbreak occurred during World Youth Day in Sydney, Australia, July 2008 (WYD2008). We assessed epidemiologic data and respiratory samples collected from attendees who so...

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Autores principales: Blyth, Christopher C., Foo, Hong, van Hal, Sebastiaan J., Hurt, Aeron C., Barr, Ian G., McPhie, Kenneth, Armstrong, Paul K., Rawlinson, William D., Sheppeard, Vicky, Conaty, Stephen, Staff, Michael, Dwyer, Dominic E.
Formato: Texto
Lenguaje:English
Publicado: Centers for Disease Control and Prevention 2010
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2953988/
https://www.ncbi.nlm.nih.gov/pubmed/20409371
http://dx.doi.org/10.3201/eid1605.091136
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author Blyth, Christopher C.
Foo, Hong
van Hal, Sebastiaan J.
Hurt, Aeron C.
Barr, Ian G.
McPhie, Kenneth
Armstrong, Paul K.
Rawlinson, William D.
Sheppeard, Vicky
Conaty, Stephen
Staff, Michael
Dwyer, Dominic E.
author_facet Blyth, Christopher C.
Foo, Hong
van Hal, Sebastiaan J.
Hurt, Aeron C.
Barr, Ian G.
McPhie, Kenneth
Armstrong, Paul K.
Rawlinson, William D.
Sheppeard, Vicky
Conaty, Stephen
Staff, Michael
Dwyer, Dominic E.
author_sort Blyth, Christopher C.
collection PubMed
description Influenza outbreaks during mass gatherings have been rarely described, and detailed virologic assessment is lacking. An influenza outbreak occurred during World Youth Day in Sydney, Australia, July 2008 (WYD2008). We assessed epidemiologic data and respiratory samples collected from attendees who sought treatment for influenza-like illness at emergency clinics in Sydney during this outbreak. Isolated influenza viruses were compared with seasonal influenza viruses from the 2008 influenza season. From 100 infected attendees, numerous strains were identified: oseltamivir-resistant influenza A (H1N1) viruses, oseltamivir-sensitive influenza A (H1N1) viruses, influenza A (H3N2) viruses, and strains from both influenza B lineages (B/Florida/4/2006-like and B/Malaysia/2506/2004-like). Novel viruses were introduced, and pre-WYD2008 seasonal viruses were amplified. Viruses isolated at mass gatherings can have substantial, complex, and unpredictable effects on community influenza activity. Greater flexibility by public health authorities and hospitals is required to appropriately manage and contain these outbreaks.
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spelling pubmed-29539882010-10-19 Influenza Outbreaks during World Youth Day 2008 Mass Gathering Blyth, Christopher C. Foo, Hong van Hal, Sebastiaan J. Hurt, Aeron C. Barr, Ian G. McPhie, Kenneth Armstrong, Paul K. Rawlinson, William D. Sheppeard, Vicky Conaty, Stephen Staff, Michael Dwyer, Dominic E. Emerg Infect Dis Research Influenza outbreaks during mass gatherings have been rarely described, and detailed virologic assessment is lacking. An influenza outbreak occurred during World Youth Day in Sydney, Australia, July 2008 (WYD2008). We assessed epidemiologic data and respiratory samples collected from attendees who sought treatment for influenza-like illness at emergency clinics in Sydney during this outbreak. Isolated influenza viruses were compared with seasonal influenza viruses from the 2008 influenza season. From 100 infected attendees, numerous strains were identified: oseltamivir-resistant influenza A (H1N1) viruses, oseltamivir-sensitive influenza A (H1N1) viruses, influenza A (H3N2) viruses, and strains from both influenza B lineages (B/Florida/4/2006-like and B/Malaysia/2506/2004-like). Novel viruses were introduced, and pre-WYD2008 seasonal viruses were amplified. Viruses isolated at mass gatherings can have substantial, complex, and unpredictable effects on community influenza activity. Greater flexibility by public health authorities and hospitals is required to appropriately manage and contain these outbreaks. Centers for Disease Control and Prevention 2010-05 /pmc/articles/PMC2953988/ /pubmed/20409371 http://dx.doi.org/10.3201/eid1605.091136 Text en https://creativecommons.org/licenses/by/4.0/This is a publication of the U.S. Government. This publication is in the public domain and is therefore without copyright. All text from this work may be reprinted freely. Use of these materials should be properly cited.
spellingShingle Research
Blyth, Christopher C.
Foo, Hong
van Hal, Sebastiaan J.
Hurt, Aeron C.
Barr, Ian G.
McPhie, Kenneth
Armstrong, Paul K.
Rawlinson, William D.
Sheppeard, Vicky
Conaty, Stephen
Staff, Michael
Dwyer, Dominic E.
Influenza Outbreaks during World Youth Day 2008 Mass Gathering
title Influenza Outbreaks during World Youth Day 2008 Mass Gathering
title_full Influenza Outbreaks during World Youth Day 2008 Mass Gathering
title_fullStr Influenza Outbreaks during World Youth Day 2008 Mass Gathering
title_full_unstemmed Influenza Outbreaks during World Youth Day 2008 Mass Gathering
title_short Influenza Outbreaks during World Youth Day 2008 Mass Gathering
title_sort influenza outbreaks during world youth day 2008 mass gathering
topic Research
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2953988/
https://www.ncbi.nlm.nih.gov/pubmed/20409371
http://dx.doi.org/10.3201/eid1605.091136
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