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Volume 21, Number 8—August 2015
Research

Influenza A Viruses of Human Origin in Swine, Brazil

Martha I. Nelson1Comments to Author , Rejane Schaefer1, Danielle Gava, Maurício Egídio Cantão, and Janice Reis Ciacci-Zanella
Author affiliations: Fogarty International Center of the National Institutes of Health, Bethesda, Maryland, USA (M.I. Nelson); EMBRAPA Swine and Poultry, Concordia, Brazil (R. Schaefer, D. Gava, M.E. Cantão, J.R. Ciacci-Zanella)

Main Article

Table 2

Introductions of influenza A(H1N1)pdm09 virus from humans to swine in Latin America

Introduction Viruses Collection date Bootstrap*
Brazil
1 A/swine/Brazil/1/2009/H1N1; A/swine/Brazil/2/2009/H1N1; A/swine/Brazil/3/2009/H1N1 2009 Aug 11; 2009 Aug 11; 2009 Aug 11 75 (HA), 72 (NA)
2 A/swine/Brazil/5/2009/H1N1; A/swine/Brazil/6/2009/H1N1 2009 Aug 28; 2009 Aug 28 97 (HA)
3 A/swine/Brazil/8/2009/H1N1; A/swine/Brazil/9/2009/H1N1; A/swine/Brazil/10/2009/H1N1 2009 Oct 5; 2009 Oct 5; 2009 Oct 5 85 (HA), 85 (NA)
4 A/swine/Brazil/12/2009/H1N1; A/swine/Brazil/13/2009/H1N1 2009 Oct 25; 2009 Nov 10 97 (HA)
5 A/swine/Brazil/19/2010/H1N1; A/swine/Brazil/20/2010/H1N1 2010 Sep 9; 2010 Sep 9 100 (HA), 100 (NA)
6 A/swine/Brazil/107/2010/H1N1 (SC); A/wild boar/Brazil/214-11-13D/2011/H1N2 (RS) 2010 Jul 15; 2011 Jul 25 84 (PB2), 83 (PB1)
7 A/swine/Brazil/31-11-1/2011/H1N2 (PR); A/swine/Brazil/31-11-3/2011/H1N2 (PR) 2011 Feb 28; 2011 Feb 28 100 (PB2), 100 (PB1)
8
 A/swine/Brazil/185-11-7/2011/H1N2 (SC); A/swine/Brazil/232-11-13/2011/H1N2 (SC)
 2011 Jul 6; 2011 Aug 17
 99 (PB2)
Argentina
1 A/swine/Argentina/CIP051-A204/2012/H1N1; A/swine/Argentina/CIP051-A207/2012/H1N1 2012 Feb ; 2012 Feb 90 (HA)
2
 A/swine/Argentina/CIP051/BsAs76/2009/H1N1; A/swine/Argentina/CIP051-A160/2011/H3N2
 2009 Oct; 2011 Apr
 100 (PB2), 86 (PB1)
Colombia
1 A/swine/Colombia/1-01/2009/H1N1; A/swine/Colombia/1101/2009/H1N1 2009 Aug; 2009 Nov 85 (HA)
2 A/swine/Colombia/1/2011/H1N1; A/swine/Colombia/2/2011/H1N1 2011 Jun 16; 2011 Jun 16 100 (HA)
3
 A/swine/Colombia/3/2011/H1N1; A/swine/Colombia/4/2011/H1N1
 2011 Jul 28; 2011 Jul 28
 100 (HA)
Costa Rica
 A/swine/Costa Rica/000125-15/2010/H1N1; A/swine/Costa Rica/000125-3/2010/H1N1; A/swine/Costa Rica/000125-20/2010/H1N1; A/swine/Costa Rica/000125-19/2010/H1N1; A/swine/Costa Rica/000125-16/2010/H1N1 A/swine/Costa Rica/000125-14/2010/H1N1
 2011 Nov 1; 2011 Nov 1; 2011 Nov 1; 2011 Nov 1; 2011 Nov 1
 100 (HA), 100 (NA)
Mexico A/swine/Mexico/SG1443/2010/H1N1; A/swine/Mexico/SG1450/2011/H1N1 2010 Oct 2; 2011 Nov 9 100 (HA), 100 (NA)

*Bootstrap support for clusters of viruses associated with introductions of pH1N1 virus from humans into swine in Latin America (Technical Appendix Figures 4–6). HA, hemagglutinin; NA, neuraminidase; PB, polymerase basic; pHN1, influenza A(H1N1)pdm09.

Main Article

1These authors contributed equally to this article.

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