Human infections of bird flu have been entirely avian in origin and reflect strains circulating locally among poultry and wild birds.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/humans-spared
[2] http://admin.indiaenvironmentportal.org.in/category/author/r-ramachandran-0
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/frontline-chennai
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/avian-flu
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/poultry
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/birds
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/who
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/africa
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/bangladesh
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cambodia
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/thailand
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vietnam
[13] http://admin.indiaenvironmentportal.org.in/category/thesaurus/europe