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Volume 16, Number 2—February 2010


Pandemic (H1N1) 2009 Outbreak on Pig Farm, Argentina

Ariel Pereda1Comments to Author , Javier Cappuccio1, María A. Quiroga, Elsa Baumeister, Lucas Insarralde, Mariela Ibar, Ramón Sanguinetti, Maria L. Cannilla, Débora Franzese, Oscar E. Escobar Cabrera, Maria I. Craig, Agustina Rimondi, Mariana Machuca, Rosa T. Debenedetti, Carlos Zenobi, Leonardo Barral, Rodrigo Balzano, Santiago Capalbo, Adriana Risso, and Carlos J. Perfumo
Author affiliations: Instituto Nacional de Tecnología Agropecuaria, Castelar, Buenos Aires, Argentina (A. Pereda, M.I. Craig, A. Rimondi); Universidad Nacional de La Plata, La Plata, Buenos Aires (J. Cappuccio, M.A. Quiroga, L. Insarralde, M. Ibar, M. Machuca, C.J. Perfumo); Instituto Nacional de Enfermedades Infecciosas–Administración Nacional de Laboratorios e Institutos de Salud, Buenos Aires (E. Baumeister); Servicio Nacional de Sanidad Animal, Martínez, Buenos Aires (R. Sanguinetti, M.L. Cannilla, D. Franzese, O.E. Escobar Cabrera, R.T. Debenedetti, C. Zenobi, L. Barral, R. Balzano); private veterinary practice, Buenos Aires (S. Capalbo, A. Risso)

Main Article


Nucleotide identity percentage of swine influenza viruses in a study of a pandemic (H1N1) 2009 outbreak at a pig farm, Argentina, June–July 2009

Genome segment* A/California/04/ 2009 (H1N1) A/swine/Alberta/OTH-33-8/ 2009 (H1N1)
1 (PB2) 100 99.994
2 (PB1) 100 99.998
3 (PA) 100 99.998
4 (HA) 99.997 99.994
5 (NP) 99.996 99.993
6 (NA) 99.998 99.995
7 (M1) 99.997 99.996
8 (NS) 99.999 99.994

*PB, polymerase base; PA, polymerase acid; HA, hemagglutinin; NP, nucleoprotein; NA, neuraminidase; M, matrix; NS, nonstructural protein.

Main Article

1These authors contributed equally to this article.

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