↑ Writing Committee of the WHO Consultation on Clinical Aspects of Pandemic (H1N1) 2009 Influenza (2010). "Clinical Aspects of Pandemic 2009 Influenza A (H1N1) Virus Infection". The New England Journal of Medicine. New England Journal of Medicine. 362 (18): 1708–19. doi:10.1056/NEJMra1000449. PMID20445182.
↑ "Hospitalized Patients with 2009 H1N1 Influenza in the United States, April–June 2009". N. Engl. J. Med. New England Journal of Medicine. 361: 1935–44. November 2009. doi:10.1056/NEJMoa0906695. PMID19815859. Diarkibkan daripada yang asal pada 21 May 2011. Dicapai 12 November 2009. This study involved a total of 272 patients, which represents approximately 25% of U.S. hospitalized patients with lab-confirmed H1N1 whose cases were reported to the U.S. Centers for Disease Control and Prevention (CDC) from 1 May 2009, to 9 June 2009. The study found that "the only variable that was significantly associated with a positive outcome was the receipt of antiviral drugs within two days after the onset of illness" [Outcomes section, 2nd paragraph] and also that "only 73% of patients with radiographic evidence of pneumonia received antiviral drugs, whereas 97% received antibiotics." [Discussion section, 8th paragraph]. It is recommended that such patients receive both.
