The H5N1 bird flu virus can infect people without causing noticeable symptoms, but only rarely, according to a report published on Thursday.
A survey of more than 600 people in Cambodian villages where two children died from the virus shows seven more were apparently infected, but without having known about it.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/study-shows-hidden-birdflu-cases-cambodia
[2] http://admin.indiaenvironmentportal.org.in/category/author/maggie-fox
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/planet-ark-australia
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/animal-care
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/animal-diseases
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-effects
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/infectious-diseases
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/influenza
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/who
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/egypt
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/bangladesh
[13] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cambodia
[14] http://admin.indiaenvironmentportal.org.in/category/thesaurus/china
[15] http://admin.indiaenvironmentportal.org.in/category/thesaurus/nepal
[16] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india