A Phase III Clinical Trial of the Group A and C Meningococcal Polysaccharide Vaccine
Conditions
- Meningitis, Meningococcal
Interventions
- BIOLOGICAL: Experimental Group A and C meningococcal polysaccharide vaccine
- BIOLOGICAL: Control Group A and C meningococcal polysaccharide vaccine
Sponsor
Wei Cun
Collaborators