Sergio Guerrero-Sánchez1, Sandra Cuevas-Romero, Nicole M. Nemeth, Maríaresa Jesús Trujillo-Olivera, Gabriella Worwa, Alan Dupuis, Aaron C. Brault, Laura D. Kramer, Nicholas Komar, and José Guillermo Estrada-Franco
Author affiliations: Zoológico Miguel Alvarez del Toro, Tuxtla Gutiérrez, Mexico (S. Guerrero-Sánchez); Instituto Nacional de Investigaciones Forestales, Mexico City, Mexico (S. Cuevas-Romero); Centers for Disease Control and Prevention, Fort Collins, Colorado, USA (N.M. Nemeth, A.C. Brault, N. Komar); Universidad Autónoma de Chiapas, Tuxtla Gutiérrez (M.T. Jesus Trujillo-Olivera); University of California, Davis, California, USA (G. Worwa); New York State Department of Health, Slingerlands, New York, USA (A Dupuis, L.D. Kramer); University of Texas Medical Branch, Galveston, Texas, USA (J.G. Estrada-Franco)
Figure 1. Viremia profile for house sparrows experimentally inoculated with Tabasco or Tecate strains of West Nile virus. Virus titers are plotted on a logarithmic scale. A) Individual birds; B) group means. Error bars represent ranges of observed titers.
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