1. The Centers for Disease Control and Prevention (CDC). Disease Burden of Flu 2022. https://www.cdc.gov/flu/about/burden/index.html (accessed April 22, 2022).
2. Update: Influenza Activity in the United States During the 2017–18 Season and Composition of the 2018–19 Influenza Vaccine;Garten;Morb Mortal Wkly Rep,2018
3. Impact of non-pharmaceutical interventions targeted at COVID-19 pandemic on influenza burden - a systematic review;Fricke;J Infect,2021
4. The Centers for Disease Control and Prevention (CDC). Laboratory-Confirmed Influenza Hospitalizations n.d. https://gis.cdc.gov/grasp/fluview/FluHospChars.html (accessed February 23, 2023).
5. The Centers for Disease Control and Prevention (CDC). CDC Seasonal Flu Vaccine Effectiveness Studies 2022. https://www.cdc.gov/flu/vaccines-work/effectiveness-studies.htm (accessed April 22, 2022).