Safety and Efficacy of BARS13 in the Elderly
Conditions
- Respiratory Syncytial Virus Infections
Interventions
- DRUG: Recombinant Respiratory Syncytial Virus Vaccine (BARS13) /placebo
- DRUG: Recombinant Respiratory Syncytial Virus Vaccine (BARS13)
- DRUG: Placebo
Sponsor
Advaccine (Suzhou) Biopharmaceuticals Co., Ltd.