10-2-2　ⓔ文献

  1. Clark TW, Medina MJ, et al: Adults hospitalized with acute respiratory illness rarely have detectable bacteria in the absence of COPD or pneumonia; viral infection predominates in a large prospective UK sample. J Infect, 2014; 69: 507–515.

  2. People at high risk for flu complications. https://www.cdc.gov/flu/highrisk/index.htm

  3. 咳嗽・喀痰の診療ガイドライン2019. 日本呼吸器学会，2019; 34.

https://www.jrs.or.jp/uploads/uploads/files/guidelines/2019seki.pdf

  1. 咳嗽・喀痰の診療ガイドライン2019. 日本呼吸器学会，2019; iv.

https://www.jrs.or.jp/uploads/uploads/files/guidelines/2019seki.pdf