1. World Health Organization. WHO Global Pandemic Preparedness Plan. Available at: http://www.who.int/entity/csr/resources/publications/influenza/GIP_2005_5Eweb.pdf.
2. World Health Organization. WHO Rapid Advice Guidelines on pharmacological management of humans infected with avian influenza A (H5N1) virus. Available at: http://www.who.int/entity/medicines/publications/WHO_PSM_PAR_2006.6.pdf.
3. The European Scientific Working group on Influenza. ESWI Position Document. Available at: http://www.eswi.org/influenza_vaccination_for_one_third_of_the_population_of_the_european_union_eu_25_member_states_by_2010.cfm.