1. Pandemic (H1N1) 2009 - update 105. World Health Organization. June 18, 2010. Accessed October 21, 2022. https://www.who.int/emergencies/disease-outbreak-news/item/2010_06_18-en
2. 14.9 million excess deaths associated with the COVID-19 pandemic in 2020 and 2021. World Health Organization. May 5, 2022. Accessed October 21, 2022. https://www.who.int/news/item/05-05-2022-14.9-million-excess-deaths-were-associated-with-the-covid-19-pandemic-in-2020-and-2021
3. Acute respiratory distress syndrome: causes, pathophysiology, and phenotypes
4. Acute respiratory distress syndrome
5. Epidemiology, Patterns of Care, and Mortality for Patients With Acute Respiratory Distress Syndrome in Intensive Care Units in 50 Countries