1. Biosafety Level 3 Laboratory, Wuhan Institute of Biological Products Co., Ltd., Wuhan, People’s Republic of China
2. National Engineering Technology Research Center for Combined Vaccines, Wuhan, People’s Republic of China
3. National Key Laboratory for Novel Vaccines Research and Development of Emerging Infectious Diseases, Wuhan, People’s Republic of China
4. Hubei Provincial Vaccine Technology Innovation Center, Wuhan, People’s Republic of China