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Highly Pathogenic Avian Influenza A (H5N1) in People. 2015. Available: <ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"http:\/\/www.cdc.gov\/flu\/avianflu\/h5n1-people.htm\" xlink:type=\"simple\">http:\/\/www.cdc.gov\/flu\/avianflu\/h5n1-people.htm<\/ext-link>. Accessed 30 July 2016."},{"key":"ref3","unstructured":"Centers for Disease Control and Prevention (CDC). Avian Influenza A (H7N9) Virus. 2014. Available: <ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"http:\/\/www.cdc.gov\/flu\/avianflu\/h7n9-virus.htm\" xlink:type=\"simple\">http:\/\/www.cdc.gov\/flu\/avianflu\/h7n9-virus.htm<\/ext-link>. Accessed 30 July 2016."},{"key":"ref4","unstructured":"U.S. Department of Health and Human Services (HHS). HHS Pandemic Influenza Plan. 2005. Available: <ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"http:\/\/www.flu.gov\/planning-preparedness\/federal\/hhspandemicinfluenzaplan.pdf\" xlink:type=\"simple\">http:\/\/www.flu.gov\/planning-preparedness\/federal\/hhspandemicinfluenzaplan.pdf<\/ext-link>. Accessed 30 July 2016."},{"key":"ref5","unstructured":"Centers for Disease Control and Prevention (CDC). Strategic National Stockpile (SNS). 2016. Available: <ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"http:\/\/www.cdc.gov\/phpr\/stockpile\/stockpile.htm\" xlink:type=\"simple\">http:\/\/www.cdc.gov\/phpr\/stockpile\/stockpile.htm<\/ext-link>. Accessed 30 July 2016."},{"key":"ref6","unstructured":"U.S. Department of Health and Human Services (HHS). Considerations for Antiviral Drug Stockpiling by Employers in Preparation for an Influenza Pandemic. 2005. Available: <ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"http:\/\/www.flu.gov\/planning-preparedness\/business\/antiviral_employer.pdf\" xlink:type=\"simple\">http:\/\/www.flu.gov\/planning-preparedness\/business\/antiviral_employer.pdf<\/ext-link>. Accessed 30 July 2016."},{"key":"ref7","unstructured":"Homeland Security Council. National Strategy for Pandemic Influenza. 2005. Available: <ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"http:\/\/www.flu.gov\/planning-preparedness\/federal\/pandemic-influenza-strategy-2005.pdf\" xlink:type=\"simple\">http:\/\/www.flu.gov\/planning-preparedness\/federal\/pandemic-influenza-strategy-2005.pdf<\/ext-link>. Accessed 30 July 2016."},{"key":"ref8","unstructured":"World Health Organization (WHO). Pandemic Influenza Vaccine Manufacturing Process and Timeline. 2009. Available: <ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"http:\/\/www.who.int\/csr\/disease\/swineflu\/notes\/h1n1_vaccine_20090806\/en\/\" xlink:type=\"simple\">http:\/\/www.who.int\/csr\/disease\/swineflu\/notes\/h1n1_vaccine_20090806\/en\/<\/ext-link>. Accessed 30 July 2016."},{"issue":"3","key":"ref9","doi-asserted-by":"crossref","first-page":"1089","DOI":"10.3390\/v1031089","article-title":"Pandemic Influenza Vaccines\u2014The Challenges","volume":"1","author":"LR Haaheim","year":"2009","journal-title":"Viruses"},{"issue":"8","key":"ref10","doi-asserted-by":"crossref","first-page":"1009","DOI":"10.1586\/erv.12.63","article-title":"Vaccination against Influenza: Role and Limitations in Pandemic Intervention Plans","volume":"11","author":"T Rebmann","year":"2012","journal-title":"Expert Review of Vaccines"},{"key":"ref11","unstructured":"Centers for Disease Control and Prevention (CDC). How Influenza (Flu) Vaccines Are Made. 2015. Available: <ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"http:\/\/www.cdc.gov\/flu\/protect\/vaccine\/how-fluvaccine-made.htm\" xlink:type=\"simple\">http:\/\/www.cdc.gov\/flu\/protect\/vaccine\/how-fluvaccine-made.htm<\/ext-link>. Accessed 30 July 2016."},{"key":"ref12","unstructured":"Texas Department of State Health Services (DSHS). Final After Action Report: DSHS Response to the Novel H1N1 Pandemic Influenza Event. 2010. Available: <ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"http:\/\/www.cidrap.umn.edu\/sites\/default\/files\/public\/php\/566\/566_aar.pdf\" xlink:type=\"simple\">http:\/\/www.cidrap.umn.edu\/sites\/default\/files\/public\/php\/566\/566_aar.pdf<\/ext-link>. Accessed 30 July 2016."},{"key":"ref13","unstructured":"Centers for Disease Control and Prevention (CDC). 2009 H1N1 Vaccine Doses Allocated, Ordered, and Shipped by Project Area. 2010. Available: <ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"http:\/\/www.cdc.gov\/h1n1flu\/vaccination\/vaccinesupply.htm\" xlink:type=\"simple\">http:\/\/www.cdc.gov\/h1n1flu\/vaccination\/vaccinesupply.htm<\/ext-link>. Accessed 30 July 2016."},{"issue":"5948","key":"ref14","doi-asserted-by":"crossref","first-page":"1705","DOI":"10.1126\/science.1175570","article-title":"Optimizing Influenza Vaccine Distribution","volume":"325","author":"J Medlock","year":"2009","journal-title":"Science"},{"issue":"58","key":"ref15","doi-asserted-by":"crossref","first-page":"661","DOI":"10.1098\/rsif.2010.0474","article-title":"Targeting Vaccination against Novel Infections: Risk, Age and Spatial Structure for Pandemic Influenza in Great Britain","volume":"8","author":"MJ Keeling","year":"2010","journal-title":"Journal of the Royal Society Interface"},{"issue":"1627","key":"ref16","doi-asserted-by":"crossref","first-page":"2811","DOI":"10.1098\/rspb.2007.0893","article-title":"Spatial Consideration for the Allocation of Pre-Pandemic Influenza Vaccination in the United States","volume":"274","author":"JT Wu","year":"2007","journal-title":"Proceedings of the Royal Society B: Biological Sciences"},{"issue":"3","key":"ref17","doi-asserted-by":"crossref","first-page":"175","DOI":"10.1007\/s10729-012-9199-6","article-title":"Geographic Prioritization of Distributing Pandemic Influenza Vaccines","volume":"15","author":"OM Araz","year":"2012","journal-title":"Health Care Management Science"},{"issue":"3","key":"ref18","doi-asserted-by":"crossref","first-page":"e1002964","DOI":"10.1371\/journal.pcbi.1002964","article-title":"Optimal Vaccine Allocation for the Early Mitigation of Pandemic Influenza","volume":"9","author":"L Matrajt","year":"2013","journal-title":"PLoS Computational Biology"},{"key":"ref19","unstructured":"World Health Organization (WHO). Report of the WHO Pandemic Influenza A(H1N1) Vaccine Deployment Initiative. 2012. Available: <ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"http:\/\/www.who.int\/influenza_vaccines_plan\/resources\/h1n1_deployment_report.pdf\" xlink:type=\"simple\">http:\/\/www.who.int\/influenza_vaccines_plan\/resources\/h1n1_deployment_report.pdf<\/ext-link>. Accessed 30 July 2016."},{"key":"ref20","article-title":"The 2009 H1N1 Influenza Vaccination Campaign: Summary of a Workshop Series","author":"C Stroud","year":"2010"},{"key":"ref21","unstructured":"U.S. Department of Health and Human Services (HHS) and U.S. Department of Homeland Security (DHS). Guidance on Allocation and Targeting Pandemic Influenza Vaccine. 2014. Available: <ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"http:\/\/www.flu.gov\/images\/reports\/pi_vaccine_allocation_guidance.pdf\" xlink:type=\"simple\">http:\/\/www.flu.gov\/images\/reports\/pi_vaccine_allocation_guidance.pdf<\/ext-link>. Accessed 30 July 2016."},{"key":"ref22","unstructured":"Centers for Disease Control and Prevention (CDC). 2009 H1N1 Monovalent Influenza Vaccine Dosage, Administration, and Storage. 2009. Available: <ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"http:\/\/www.cdc.gov\/h1n1flu\/vaccination\/dosage.htm\" xlink:type=\"simple\">http:\/\/www.cdc.gov\/h1n1flu\/vaccination\/dosage.htm<\/ext-link>. Accessed 30 July 2016."},{"key":"ref23","unstructured":"Centers for Disease Control and Prevention (CDC). 2009 H1N1 Vaccination Recommendations. 2009. Available: <ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"http:\/\/www.cdc.gov\/h1n1flu\/vaccination\/acip.htm\" xlink:type=\"simple\">http:\/\/www.cdc.gov\/h1n1flu\/vaccination\/acip.htm<\/ext-link>. Accessed 30 July 2016."},{"key":"ref24","unstructured":"Centers for Disease Control and Prevention (CDC). 2009 H1N1: Overview of a Pandemic. 2010. Available: <ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"http:\/\/www.cdc.gov\/h1n1flu\/yearinreview\/yir7.htm\" xlink:type=\"simple\">http:\/\/www.cdc.gov\/h1n1flu\/yearinreview\/yir7.htm<\/ext-link>. Accessed 30 July 2016."},{"issue":"4","key":"ref25","doi-asserted-by":"crossref","first-page":"321","DOI":"10.1089\/bsp.2010.0043","article-title":"Mass Vaccination for the 2009 H1N1 Pandemic: Approaches, Challenges, and Recommendations","volume":"8","author":"KJ Rambhia","year":"2010","journal-title":"Biosecur Bioterror"},{"key":"ref26","article-title":"Factory Physics","author":"WJ Hopp","year":"2008"},{"key":"ref27","article-title":"Designing and Managing the Supply Chain: Concepts, Strategies, and Cases","author":"D Simchi-Levi","year":"2000"},{"key":"ref28","article-title":"Accessibility and Utilization\u2014Geographical Perspectives on Healthcare Delivery","author":"AE Joseph","year":"1984"},{"issue":"2","key":"ref29","doi-asserted-by":"crossref","first-page":"127","DOI":"10.1097\/00005650-198102000-00001","article-title":"The Concept of Access: Definition and Relationship to Consumer Satisfaction","volume":"19","author":"R Penchansky","year":"1981","journal-title":"Medical Care"},{"issue":"12 Suppl","key":"ref30","doi-asserted-by":"crossref","first-page":"4","DOI":"10.1097\/00005650-198112001-00004","article-title":"Equity of Access to Medical Care: A Conceptual and Empirical Overview","volume":"19","author":"LA Aday","year":"1981","journal-title":"Medical Care"},{"issue":"4","key":"ref31","doi-asserted-by":"crossref","first-page":"254","DOI":"10.1136\/jech.57.4.254","article-title":"Defining Equity in Health","volume":"57","author":"P Braveman","year":"2003","journal-title":"Journal of Epidemiology and Community Health"},{"issue":"2","key":"ref32","first-page":"176","article-title":"Equity and Health Services","volume":"30","author":"AM Bayoumi","year":"2009","journal-title":"Journal of Epidemiology and Community Health"},{"issue":"4","key":"ref33","doi-asserted-by":"crossref","first-page":"275","DOI":"10.1136\/jme.27.4.275","article-title":"Equity\u2014Some Theory and Its Policy Implications","volume":"27","author":"AJ Culyer","year":"2001","journal-title":"Journal of Medical Ethics"},{"issue":"3","key":"ref34","doi-asserted-by":"crossref","first-page":"203","DOI":"10.1023\/A:1009439917796","article-title":"Vertical Equity in Health Care Resource Allocation","volume":"8","author":"G Mooney","year":"2000","journal-title":"Health Care Analysis"},{"key":"ref35","unstructured":"Texas Department of State Health Services (DSHS). The Health Service Regions. 2014. Available: <ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"https:\/\/www.dshs.state.tx.us\/regions\/state.shtm\" xlink:type=\"simple\">https:\/\/www.dshs.state.tx.us\/regions\/state.shtm<\/ext-link>. Accessed on 30 July 2016."},{"key":"ref36","unstructured":"Texas Department of State Health Services (DSHS). H1N1 Vaccine Doses by County to Texas Registered Providers. 2010. Available: <ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"http:\/\/www.dshs.state.tx.us\/txflu\/H1N1-Doses-Providers.pdf\" xlink:type=\"simple\">http:\/\/www.dshs.state.tx.us\/txflu\/H1N1-Doses-Providers.pdf<\/ext-link>. Accessed 30 July 2016."},{"key":"ref37","unstructured":"Texas Department of State Health Services (DSHS). H1N1 Vaccine Doses to Texas Local Health Departments. 2010. Available: <ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"http:\/\/www.dshs.state.tx.us\/txflu\/H1N1-Doses-LHD.pdf\" xlink:type=\"simple\">http:\/\/www.dshs.state.tx.us\/txflu\/H1N1-Doses-LHD.pdf<\/ext-link>. Accessed 30 July 2016."},{"key":"ref38","unstructured":"Texas Department of State Health Services (DSHS). H1N1 Vaccine Doses to Texas DSHS Regional Offices. 2010. Available: <ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"http:\/\/www.dshs.state.tx.us\/txflu\/H1N1-Doses-Regions.pdf\" xlink:type=\"simple\">http:\/\/www.dshs.state.tx.us\/txflu\/H1N1-Doses-Regions.pdf<\/ext-link>. Accessed 30 July 2016."},{"key":"ref39","unstructured":"Texas Department of State Health Services (DSHS). Internal Dashboard Report for H1N1 Vaccine. 2010."},{"key":"ref40","unstructured":"Texas Department of State Health Services (DSHS) and The University of Texas at Austin. Texas Pandemic Flu Toolkit. 2013. Available: <ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"http:\/\/flu.tacc.utexas.edu\" xlink:type=\"simple\">http:\/\/flu.tacc.utexas.edu<\/ext-link>. 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