1. Avian and Other Zoonotic Influenzahttp://www.who.int/mediacentre/factsheets/avian_influenza/en/
2. Cumulative Number of Confirmed Human Cases of Avian Influenza A (H5N1) Reported to WHOhttp://www.who.int/influenza/human_animal_interface/H5N1_cumulative_table_archives/en/
3. FAQs: H5N1 Influenzahttp://www.who.int/influenza/human_animal_interface/avian_influenza/h5n1_research/faqs/en/
4. Tools to Detect Influenza Virus
5. Influenza;Treanor,2005