Clostridium Infections

• Hubei Provincial Center for Disease Control and Prevention — Wuhan, Hubei, China

Not specified

• Center for Family Health Research — Kigali, Rwanda

• Jiangjin District Center for Disease Control and Prevention — Chongqing, Chongqing Municipality, China

• Lufeng Center for Disease Control and Prevenion — Chuxiong, Yunnan, China
• Yuanmou Center for Disease Control and Prevention — Chuxiong, Yunnan, China
• Wuding Center for Disease Control and Prevention — Chuxiong, Yunnan, China
• Yaoan Center for Disease Control and Prevention — Chuxiong, Yunnan, China

Not specified

Not specified

• California Department of Public Health — Richmond, California, United States
• Battelle Biomedical Research Center — West Jefferson, Ohio, United States

• Peking University First Hospital — Beijing, Beijing Municipality, China

• ABO Plasma — Glassboro, New Jersey, United States