1. Centers for Disease Control and Prevention National Center for Immunization and Respiratory Diseases (NCIRD). January 23 2019.https://www.cdc.gov/flu/pandemic-resources/pandemic-timeline-1930-and-beyond.htm. Accessed October 12 2020.
2. HandfieldR.The role of the federal supply chain in preparing for national emergencies. IBM Center for the Business of Government report 2010.http://www.businessofgovernment.org/sites/default/files/The%20Role%20of%20the%20Federal%20Supply%20Chain%20in%20Preparing%20for%20National%20Emergencies.pdf. Accessed October 12 2020.
3. Executive Office of the President of the United States.Playbook for early response to high‐consequence emerging infectious disease threats and biological incidents.https://assets.documentcloud.org/documents/6819268/Pandemic-Playbook.pdf. Accessed October 12 2020.
4. The Tragedy of the Commons
5. Extensions of "The Tragedy of the Commons"