A Clinical Trial of the 13-Valent Pneumococcal Polysaccharide Conjugate Vaccine (CRM197/Tetanus Toxoid)
Conditions
- Pneumococcal Infections
- Streptococcal Infections
- Bacterial Infections
Interventions
- OTHER: Previously vaccinated with PCV13 (CanSino)
- OTHER: Previously vaccinated with PCV13 (Pfizer)
Sponsor
CanSino Biologics Inc.