Influenza, Human

• Poudre Valley Hospital — Fort Collins, Colorado, United States
• University of Colorado Health Harmony Campus — Fort Collins, Colorado, United States
• Medical Center of the Rockies — Loveland, Colorado, United States

• Korea University ANSAN hospital — Ansan, South Korea
• Chungnam National University Hospital — Daejeon, South Korea
• Inje University Ilsan Paik Hospital — Goyang, South Korea
• Gachon University Gil Medical center — Incheon, South Korea

• University Hospital Zurich — Zurich, Switzerland

• Coastal Clinical Research — Mobile, Alabama, United States
• Clinical Research Consortium Arizona — Tempe, Arizona, United States
• Baptist Health Center for Clinical Research — Little Rock, Arkansas, United States
• Northern California Clinical Research Center — Redding, California, United States

• Lincolnshire West CCG — Lincoln, United Kingdom
• South Lincolnshire CCG — Lincoln, United Kingdom

• Coastal Clinical Research — Mobile, Alabama, United States
• Avail Clinical Research — DeLand, Florida, United States
• Meridian Clinical Research — Savannah, Georgia, United States
• Meridian Clinical Research — Omaha, Nebraska, United States

Not specified

• Group Health Research Institute — Seattle, Washington, United States

• Kaiser Permanente Vaccine Study Center — Oakland, California, United States

• Hammersmith Medicines Research Ltd (HMR) — London, United Kingdom