11412013-2014 Resurgence of 2009 Influenza A (H1N1) Infection among Adults: Has the Epidemiology and Clinical Severity of Disease Changed?

Adults: Has the Epidemiology and Clinical Severity of Disease Changed? John Arnold, MD; Wei-Ju Chen, PhD; Mary Fairchok, MD; Christina Schofield, MD FACP; Tahaniyat Lalani, MBBS, MHS; Patrick Danaher, MD; Michael Rajnik, MD; Erin Mcdonough, BS; Deepika Mor, MS; Michelande Ridore, BA; Timothy Burgess, MD, MPH; Eugene Millar, PhD; Department of Pediatrics, Naval Medical Center San Diego, San Diego, CA; Infectious Disease Clinical Research Program, Uniformed Services University of the Health Sciences, Rockville, MD; Infectious Disease Clinical Research Program, Tacoma, WA; Madigan Army Medical Center, Tacoma, WA; Naval Medical Center Portsmouth, Portsmouth, VA; San Antonio Military Medical Center, Fort Sam Houston, TX; Walter Reed National Military Medical Center, Bethesda, MD; Naval Health Research Center, San Diego, CA; Infectious Disease Clinical Research Program, Rockville, MD