1. World Health Organization. Summary and assessment, 17 May 2017 to 15 June 2017. 2017. [Online; accessed 12-July-2017]. Available: http://www.who.int/influenza/human_animal_interface/Influenza_Summary_IRA_HA_interface_06_15_2017.pdf?ua=1 .
2. Center for Disease Control and Prevention. Avian influenza a(h7n9) virus. 2016. [Online; accessed 7-June-2016]. Available: http://www.who.int/influenza/human_animal_interface/influenza_h7n9/en .
3. World Health Organization. Cumulative number of confirmed human cases for avian influenza a(h5n1) reported to who, 2003–2016. 2016. [Online; accessed 1-June-2016]. Available: http://www.who.int/influenza/human_animal_interface/EN_GIP_20160509cumulativenumberH5N1cases.pdf?ua=1g .
4. World Health Organization. Summary and assessment as of december 2015. 2015. [Online; accessed 1-June-2016]. Available: http://www.who.int/influenza/human_animal_interface/Influenza_Summary_IRA_HA_interface_14_Dec_2015.pdf?ua=1 .
5. Ferguson NM, Cummings DA, Cauchemez S, Fraser C, Riley S, Aronrag M, et al. Strategies for containing an emerging influenza pandemic in southeast asia. Nature. 2005;437(7056):209–14.