Adverse Event Following Immunisation

• Kaiser Permanente Northern California — Oakland, California, United States
• Emory University — Atlanta, Georgia, United States
• Centers for Disease Control and Prevention — Atlanta, Georgia, United States
• Columbia University — New York, United States

• Ottawa Hospital Research Institute — Ottawa, Ontario, Canada

• Boston Medical Center — Boston, Massachusetts, United States
• Duke University Medical Center — Durham, North Carolina, United States
• Cincinnati Children's Hospital Medical Center — Cincinnati, Ohio, United States

Not specified

• Hebei Provincial Center for Disease Control and Prevention — Shijiazhuang, Hebei, China
• Inner Mongolia Center for Disease Control and Prevention — Hohhot, Inner Mongolia, China
• Shanxi Provincial Center for Disease Control and Prevention — Taiyuan, Shanxi, China
• Tianjin Center for Disease Control and Prevention — Tianjin, Tianjin Municipality, China