References
Common cold. Merck Manual Professional Version website. Available at: http://www.merckmanuals.com/professional/infectious-diseases/respiratory-viruses/common-cold. Accessed March 9, 2022.
Influenza. Merck Manual Professional Version website. Available at: http://www.merckmanuals.com/professional/infectious-diseases/respiratory-viruses/influenza. Accessed March 9, 2022.
Influenza in adults. EBSCO DynaMed website. Available at: https://www.dynamed.com/condition/influenza-in-adults. Accessed March 9, 2022.
Types of influenza. Centers for Disease Control and Prevention website. Available at: https://www.cdc.gov/flu/about/viruses/types.htm. Accessed March 9, 2022.
Upper respiratory infection (URI) in adults and adolescents. EBSCO DynaMed website. Available at: https://www.dynamed.com/condition/upper-respiratory-infection-uri-in-adults-and-adolescents-18. Accessed March 9, 2022.