Influenza, Human

• UCSD Antiviral Research Center — San Diego, California, United States
• Denver Public Health — Denver, Colorado, United States
• George Washington Medical Faculty Associates — Washington D.C., District of Columbia, United States
• Washington DC VA Medical Center — Washington D.C., District of Columbia, United States

• University of Rochester School of Medicine & Dentistry — Rochester, New York, United States
• Stony Brook University Medical Center — Stony Brook, New York, United States
• St. Jude's Children's Research Hospital — Memphis, Tennessee, United States
• Vanderbilt University — Nashville, Tennessee, United States

• Quintiles Drug Research Unit — London, United Kingdom

Not specified

• Accelovance Inc — Melbourne, Florida, United States

• Columbia University Medical Center — New York, United States

• Columbia University Medical Center — New York, United States

• Little Rock Allergy & Asthma Clinic, PA — Little Rock, Arkansas, United States
• Pediatric and Adolescent Medicine, PA (PAMPA) — Marietta, Georgia, United States
• Kentucky Pediatrics/Adult Research — Bardstown, Kentucky, United States
• Benchmark Research — Metairie, Louisiana, United States

• GSK Investigational Site — Tokyo, Japan

• GSK Investigational Site — Austin, Texas, United States