To the Editor: The study by Dr Kumar and colleagues1 described critically ill patients with 2009 influenza A(H1N1) in Canada, and Dr Domínguez-Cherit and colleagues2 described similar patients in Mexico. The 2 articles indicated that patients with influenzalike illness may present with acute lung injury with a remarkably high mortality rate, especially in young adults.
Spronk PE, Schultz MJ. Mechanical Ventilation in Critically Ill Patients With 2009 Influenza A(H1N1). JAMA. 2010;303(10):939-941. doi:10.1001/jama.2010.197