Peek, K. (n.d.). Flu Season Never Came to the Southern Hemisphere. Scientific American. Retrieved October 5, 2020, from https://www.scientificamerican.com/article/flu-season-never-came-to-the-southern-hemisphere/

Cohen, S. (2020). Psychosocial Vulnerabilities to Upper Respiratory Infectious Illness: Implications for Susceptibility to Coronavirus Disease 2019 (COVID-19). Perspectives on Psychological Science, 1745691620942516. https://doi.org/10.1177/1745691620942516

LMU Magazine. (2020, May 14). Shira Shafir ’99. https://magazine.lmu.edu/podcasts/shira-shafir-99/

Hoffman, J. (2020, August 16). Fearing a ‘Twindemic,’ Health Experts Push Urgently for Flu Shots. The New York Times. https://www.nytimes.com/2020/08/16/health/coronavirus-flu-vaccine-twindemic.html

Du, Z., Javan, E., Nugent, C., Cowling, B. J., & Meyers, L. A. (2020). Using the COVID-19 to influenza ratio to estimate early pandemic spread in Wuhan, China and Seattle, US. EClinicalMedicine, 0(0). https://doi.org/10.1016/j.eclinm.2020.100479

Clay, K., Lewis, J. A., Severnini, E. R., & Wang, X. (2020). The Value of Health Insurance during a Crisis: Effects of Medicaid Implementation on Pandemic Influenza Mortality (Working Paper No. 27120; Working Paper Series). National Bureau of Economic Research. https://doi.org/10.3386/w27120

Guimbeau, A., Menon, N., & Musacchio, A. (2020). The Brazilian Bombshell? The Long-Term Impact of the 1918 Influenza Pandemic the South American Way (Working Paper No. 26929; Working Paper Series). National Bureau of Economic Research. https://doi.org/10.3386/w26929

Lin, P. Z., & Meissner, C. M. (2020). A Note on Long-Run Persistence of Public Health Outcomes in Pandemics (Working Paper No. 27119; Working Paper Series). National Bureau of Economic Research. https://doi.org/10.3386/w27119

Barro, R. J. (2020). Non-Pharmaceutical Interventions and Mortality in U.S. Cities during the Great Influenza Pandemic, 1918-1919 (Working Paper No. 27049; Working Paper Series). National Bureau of Economic Research. https://doi.org/10.3386/w27049

Barro, Robert J, José F Ursúa, and Joanna Weng. ‘The Coronavirus and the Great Influenza Pandemic: Lessons from the “Spanish Flu” for the Coronavirus’s Potential Effects on Mortality and Economic Activity’. Working Paper. Working Paper Series. National Bureau of Economic Research, March 2020. https://doi.org/10.3386/w26866.

Bodenhorn, Howard. ‘Business in a Time of Spanish Influenza’. Working Paper. Working Paper Series. National Bureau of Economic Research, July 2020. https://doi.org/10.3386/w27495.

Petersen, E., Koopmans, M., Go, U., Hamer, D. H., Petrosillo, N., Castelli, F., Storgaard, M., Khalili, S. A., & Simonsen, L. (2020). Comparing SARS-CoV-2 with SARS-CoV and influenza pandemics. The Lancet Infectious Diseases, 0(0). https://doi.org/10.1016/S1473-3099(20)30484-9

Silverman, J. D., Hupert, N., & Washburne, A. D. (2020). Using influenza surveillance networks to estimate state-specific prevalence of SARS-CoV-2 in the United States. Science Translational Medicine. https://doi.org/10.1126/scitranslmed.abc1126

Bergstrom, C. T. (2020, June 14). "1. Another day, another blog post of #COVID19 misinformation making the rounds." Twitter. https://twitter.com/CT_Bergstrom/status/1272007583222513664

Scientific Pandemic Influenza Group on Modelling (SPI-M). (n.d.). GOV.UK. Retrieved June 14, 2020, from https://www.gov.uk/government/groups/scientific-pandemic-influenza-subgroup-on-modelling

Chen, C. (2020, April 28). What Antibody Studies Can Tell You—And More Importantly, What They Can’t. ProPublica. https://www.propublica.org/article/what-antibody-studies-can-tell-you-and-more-importantly-what-they-cant

Simpson, C. R., Thomas, B. D., Challen, K., De Angelis, D., Fragaszy, E., Goodacre, S., Hayward, A., Lim, W. S., Rubin, G. J., Semple, M. G., & Knight, M. (2020). The UK hibernated pandemic influenza research portfolio: Triggered for COVID-19. The Lancet Infectious Diseases, S1473309920303984. https://doi.org/10.1016/S1473-3099(20)30398-4

COVID-19—Eine Zwischenbilanz oder eine Analyse der Moral, der medizinischen Fakten, sowie der aktuellen und zukünftigen politischen Entscheidungen. (2020, April 7). DIE MITTELLÄNDISCHE ZEITUNG - FÜR MEHR DURCHBLICK. https://www.mittellaendische.ch/2020/04/07/covid-19-eine-zwischenbilanz-oder-eine-analyse-der-moral-der-medizinischen-fakten-sowie-der-aktuellen-und-zuk%C3%BCnftigen-politischen-entscheidungen/

Australian Government Department of Health (2020, April 1). Coronavirus (COVID-19) – Restrictions on entry into and visitors to aged care facilities [Text]. https://www.health.gov.au/resources/publications/coronavirus-covid-19-restrictions-on-entry-into-and-visitors-to-aged-care-facilities

Cohn, S. (2020 May 01). Face masks: What the Spanish flu can teach us about making them compulsory. The Conversation. http://theconversation.com/face-masks-what-the-spanish-flu-can-teach-us-about-making-them-compulsory-137648

Roland, L. T., Gurrola, J. G., Loftus, P. A., Cheung, S. W., & Chang, J. L. (2020). Smell and taste symptom‐based predictive model for COVID‐19 diagnosis. International Forum of Allergy & Rhinology, alr.22602. https://doi.org/10.1002/alr.22602

Lipsitch, M., Perlman, S., & Waldor, M. K. (2020). Testing COVID-19 therapies to prevent progression of mild disease. The Lancet Infectious Diseases, 0(0). https://doi.org/10.1016/S1473-3099(20)30372-8

Bruine De Bruin, W., Fischhoff, B., Brilliant, L., & Caruso, D. (2006). Expert judgments of pandemic influenza risks. Global Public Health, 1(2), 179–194. https://doi.org/10.1080/17441690600673940

LePan, N. (2020, March 14). Visualizing the History of Pandemics. Visual Capitalist. https://www.visualcapitalist.com/history-of-pandemics-deadliest/

Behavioral Strategies More Effective Than Persuasion in Promoting Vaccination. (n.d.). Association for Psychological Science - APS. Retrieved April 30, 2020, from https://www.psychologicalscience.org/news/releases/behavioral-strategies-more-effective-than-persuasion-in-promoting-vaccination.html

Jefferson, T., Jones, M., Al Ansari, L. A., Bawazeer, G., Beller, E., Clark, J., Conly, J., Del Mar, C., Dooley, E., Ferroni, E., Glasziou, P., Hoffman, T., Thorning, S., & Van Driel, M. (2020). Physical interventions to interrupt or reduce the spread of respiratory viruses. Part 1 - Face masks, eye protection and person distancing: Systematic review and meta-analysis [Preprint]. Public and Global Health. https://doi.org/10.1101/2020.03.30.20047217

Cowling, B. J., Ali, S. T., Ng, T. W. Y., Tsang, T. K., Li, J. C. M., Fong, M. W., Liao, Q., Kwan, M. Y., Lee, S. L., Chiu, S. S., Wu, J. T., Wu, P., & Leung, G. M. (2020). Impact assessment of non-pharmaceutical interventions against coronavirus disease 2019 and influenza in Hong Kong: An observational study. The Lancet Public Health, 0(0). https://doi.org/10.1016/S2468-2667(20)30090-6

Sun, J., Shi, Z., & Xu, H. (n.d.). Non-pharmaceutical interventions used for COVID-19 had a major impact on reducing influenza in China in 2020. Journal of Travel Medicine. https://doi.org/10.1093/jtm/taaa064

Tang, J. W., & Settles, G. S. (2008). Coughing and Aerosols. New England Journal of Medicine, 359(15), e19. https://doi.org/10.1056/NEJMicm072576

Leung, N.H.L., Chu, D.K.W., Shiu, E.Y.C. et al. Respiratory virus shedding in exhaled breath and efficacy of face masks. Nat Med (2020). https://doi.org/10.1038/s41591-020-0843-2

Wojcik, S., et al. (2020 March 30). Survey data and human computation for improved flu tracking. Cornell University. arXiv:2003.13822