Get the H5N1 virus has developed a genetically modified strain of the 1996 original
, at least 10 different species and have an infection in many countries. To date, the H5N1 infections in people in late 2003 to mid 2005, the infectious H5N1 virus in humans, most of the clade 1 strains in the region of Southeast Asia, including Vietnam, Thailand, and Cambodia. ), beginning in the 2004-2005 season, geographic expansion of the clade 2 H5N1 virus strains circulating among poultry and wild birds that occur from Asia to Europe.
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