Global patterns in seasonal activity of influenza A/H3N2, A/H1N1, and B from 1997 to 2005: viral coexistence and latitudinal gradients.

Despite a mass of research on the epidemiology of seasonal influenza, overall patterns of infection have not been fully described on broad geographic scales and for specific types and subtypes of the influenza virus. Here we provide a descriptive analysis of laboratory-confirmed influenza surveillan...

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Autores principales:	Brian S Finkelman, Cécile Viboud, Katia Koelle, Matthew J Ferrari, Nita Bharti, Bryan T Grenfell
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2007
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/1fcab5b7a90b44e3b5788aaba27cc50f
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spelling	oai:doaj.org-article:1fcab5b7a90b44e3b5788aaba27cc50f2021-11-25T06:13:42ZGlobal patterns in seasonal activity of influenza A/H3N2, A/H1N1, and B from 1997 to 2005: viral coexistence and latitudinal gradients.1932-620310.1371/journal.pone.0001296https://doaj.org/article/1fcab5b7a90b44e3b5788aaba27cc50f2007-12-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0001296https://doaj.org/toc/1932-6203Despite a mass of research on the epidemiology of seasonal influenza, overall patterns of infection have not been fully described on broad geographic scales and for specific types and subtypes of the influenza virus. Here we provide a descriptive analysis of laboratory-confirmed influenza surveillance data by type and subtype (A/H3N2, A/H1N1, and B) for 19 temperate countries in the Northern and Southern hemispheres from 1997 to 2005, compiled from a public database maintained by WHO (FluNet). Key findings include patterns of large scale co-occurrence of influenza type A and B, interhemispheric synchrony for subtype A/H3N2, and latitudinal gradients in epidemic timing for type A. These findings highlight the need for more countries to conduct year-round viral surveillance and report reliable incidence data at the type and subtype level, especially in the Tropics.Brian S FinkelmanCécile ViboudKatia KoelleMatthew J FerrariNita BhartiBryan T GrenfellPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 2, Iss 12, p e1296 (2007)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Brian S Finkelman Cécile Viboud Katia Koelle Matthew J Ferrari Nita Bharti Bryan T Grenfell Global patterns in seasonal activity of influenza A/H3N2, A/H1N1, and B from 1997 to 2005: viral coexistence and latitudinal gradients.
description	Despite a mass of research on the epidemiology of seasonal influenza, overall patterns of infection have not been fully described on broad geographic scales and for specific types and subtypes of the influenza virus. Here we provide a descriptive analysis of laboratory-confirmed influenza surveillance data by type and subtype (A/H3N2, A/H1N1, and B) for 19 temperate countries in the Northern and Southern hemispheres from 1997 to 2005, compiled from a public database maintained by WHO (FluNet). Key findings include patterns of large scale co-occurrence of influenza type A and B, interhemispheric synchrony for subtype A/H3N2, and latitudinal gradients in epidemic timing for type A. These findings highlight the need for more countries to conduct year-round viral surveillance and report reliable incidence data at the type and subtype level, especially in the Tropics.
format	article
author	Brian S Finkelman Cécile Viboud Katia Koelle Matthew J Ferrari Nita Bharti Bryan T Grenfell
author_facet	Brian S Finkelman Cécile Viboud Katia Koelle Matthew J Ferrari Nita Bharti Bryan T Grenfell
author_sort	Brian S Finkelman
title	Global patterns in seasonal activity of influenza A/H3N2, A/H1N1, and B from 1997 to 2005: viral coexistence and latitudinal gradients.
title_short	Global patterns in seasonal activity of influenza A/H3N2, A/H1N1, and B from 1997 to 2005: viral coexistence and latitudinal gradients.
title_full	Global patterns in seasonal activity of influenza A/H3N2, A/H1N1, and B from 1997 to 2005: viral coexistence and latitudinal gradients.
title_fullStr	Global patterns in seasonal activity of influenza A/H3N2, A/H1N1, and B from 1997 to 2005: viral coexistence and latitudinal gradients.
title_full_unstemmed	Global patterns in seasonal activity of influenza A/H3N2, A/H1N1, and B from 1997 to 2005: viral coexistence and latitudinal gradients.
title_sort	global patterns in seasonal activity of influenza a/h3n2, a/h1n1, and b from 1997 to 2005: viral coexistence and latitudinal gradients.
publisher	Public Library of Science (PLoS)
publishDate	2007
url	https://doaj.org/article/1fcab5b7a90b44e3b5788aaba27cc50f
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Global patterns in seasonal activity of influenza A/H3N2, A/H1N1, and B from 1997 to 2005: viral coexistence and latitudinal gradients.

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