Influenza, Human

• Anaheim, California, United States
• Fountain Valley, California, United States
• South Miami, Florida, United States
• Springfield, Missouri, United States

• Buenos Aires, Argentina
• Córdoba, Argentina
• Villa Nueva, Argentina
• Bari, Italy

Not specified

• University of Western Australia — Nedlands, Western Australia, Australia

• University of Alberta Hospital — Edmonton, Alberta, Canada

• University of Michigan, Child Health Evaluation and Research Unit — Ann Arbor, Michigan, United States

• Site Reference ID/Investigator# 44652 — Adelaide, Australia
• Site Reference ID/Investigator# 44662 — Auchenflower, Australia
• Site Reference ID/Investigator# 44651 — Blacktown, Australia
• Site Reference ID/Investigator# 44659 — Blacktown, Australia

• Site Reference ID/Investigator# 44974 — Tessenderlo, Belgium
• Site Reference ID/Investigator# 44975 — Hamburg, Germany

• Site Reference ID/Investigator# 59243 — Tessenderlo, Belgium
• Site Reference ID/Investigator# 59244 — Hamburg, Germany

• Jean Brown Research — Salt Lake City, Utah, United States