Article
Influenza A H5N1 Immigration Is Filtered Out at Some International Borders
26 Feb 2008
Abstract excerpt
BACKGROUND: Geographic spread of highly pathogenic influenza A H5N1, the bird flu strain, appears a necessary condition for accelerating the evolution of a related human-to-human infection. As H5N1 spreads the virus diversifies in response to the variety of socioecological environments encountered, increasing the chance a human infection emerges. Genetic phylogenies have for the most part provided only...
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