Serosurvey for Influenza D Virus Exposure in Cattle, United States, 2014–2015
Simone Silveira, Shollie M. Falkenberg
, Bryan S. Kaplan, Beate Crossley, Julia F. Ridpath, Fernando B. Bauermann, Charles P. Fossler, David A. Dargatz, Rohana P. Dassanayake, Amy L. Vincent, Cláudio W. Canal, and John D. Neill
Author affiliations: Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil (S. Silveira, C.W. Canal); US Department of Agriculture, Ames, Iowa, USA (S.M. Falkenberg, B.S. Kaplan, J.F. Ridpath, R.P. Dassanayake, A.L. Vincent, J.D. Neill); University of California, Davis, California, USA (B. Crossley); Oklahoma State University, Stillwater, Oklahoma, USA (F.B. Bauermann); US Department of Agriculture, Fort Collins, Colorado, USA (C.P. Fossler, D.A. Dargatz)
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Figure 2
Figure 2. Maximum-likelihood phylogeny of the influenza D virus hemagglutinin-esterase fusion (HEF) gene constructed for study of influenza D virus in cattle, United States. Representative US strain D/bovine/Kansas/14-22/2012 (black dot), used as antigen in hemagglutination inhibition analysis, was aligned with reference strains from the Influenza Research Database (http://www.fludb.org) obtained on September 28, 2018. Bootstrap values >70% (1,000 replicates) are shown to the right of the nodes. Scale bar represents nucleotide substitutions per site.
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