Genetic Analysis of Viruses Associated with Emergence of Rift Valley Fever in Saudi Arabia and Yemen, 2000-01
Trevor Shoemaker*†, Carla Boulianne*†, Martin J. Vincent*, Linda Pezzanite*, Mohammed M. Al-Qahtani‡, Yagub Al-Mazrou‡, Ali S. Khan*, Pierre E. Rollin*, Robert Swanepoel§, Thomas G. Ksiazek*, and Stuart T. Nichol*
Author affiliations: *Centers for Disease Control and Prevention, Atlanta, Georgia, USA; †Emory University, Atlanta, Georgia, USA; ‡Ministry of Health, Riyadh, Saudi Arabia; §National Institute of Virology, Johannesburg, South Africa;
Figure. Phylogenetic relationship of the S, M, and L RNA segments of Rift Valley fever viruses. Maximum likelihood analysis of the nucleotide (nt) sequence differences among a 661-nt region of S RNA segment (Panel A), a 708-nt region of the M RNA segment (Panel B), and a 176-nt region of the L RNA segment (Panel C) of RVF viruses was performed by using PAUP4.0b10 (Sinauer Associates Inc., Sunderland, MA).
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