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Volume 18, Number 7—July 2012

Dispatch

Influenza Virus Infection in Guinea Pigs Raised as Livestock, Ecuador

Victor H. Leyva-Grado, Samira Mubareka, Florian Krammer, Washington B. Cárdenas, and Peter PaleseComments to Author 
Author affiliations: Mount Sinai School of Medicine, New York, New York, USA (V.H. Leyva-Grado, F. Krammer, P. Palese); Sunnybrook Health Sciences Centre and Research Institute, Toronto, Ontario, Canada (S. Mubareka); and; Escuela Superior Politécnica del Litoral (ESPOL), Guayaquil, Ecuador (W.B. Cárdenas)

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Figure 2

Results of Western blot analyses of pooled serum samples from adult guinea pigs in Ecuador. The guinea pigs were obtained from farms in Cuenca, where they had been raised as livestock, or from live animal markets in Guayaquil and Manabí. The results show different influenza antigens: recombinant hemagglutinin (rHA) A/New Caledonia/20/1999 (A); rHA A/Wisconsin/67/2005 (B); rHA A/Vietnam/1203/2004 (C); recombinant nucleoprotein A/Puerto Rico/08/1934 (D); and B virus (whole virus B/Yamagata/16/1988

Figure 2. . . . Results of Western blot analyses of pooled serum samples from adult guinea pigs in Ecuador. The guinea pigs were obtained from farms in Cuenca, where they had been raised as livestock, or from live animal markets in Guayaquil and Manabí. The results show different influenza antigens: recombinant hemagglutinin (rHA) A/New Caledonia/20/1999 (A); rHA A/Wisconsin/67/2005 (B); rHA A/Vietnam/1203/2004 (C); recombinant nucleoprotein A/Puerto Rico/08/1934 (D); and B virus (whole virus B/Yamagata/16/1988) (E). Molecular weights are shown at left. (+), serum from guinea pigs infected in the laboratory with influenza virus; (−), serum from naive guinea pig; lanes 1–4, pooled serum samples from Cuenca; lanes 5–6, pooled serum samples from Guayaquil; lanes 7–8, pooled serum samples from Manabí; S, secondary antibody only.

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