Emerging Infectious Disease ISSN: 1080-6059
Volume 10, Number 7—July 2004
Dispatch
Phylogenetic Analysis of West Nile Virus, Nuevo Leon State, Mexico
Figure 2

Figure 2. Parsimony-informative sites in the premembrane and envelope genes of selected West Nile viruses used in the phylogenetic analyses.
Lessons from the History of Quarantine, from Plague to Influenza A
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