A Dose Escalation Study to Evaluate Safety, Reactogenicity, and Immunogenicity of mRNA-1345 in Healthy Adults and in Children Who Are Respiratory Syncytial Virus (RSV)-Seropositive
Conditions
- Respiratory Syncytial Virus
Interventions
- BIOLOGICAL: mRNA-1345
- DRUG: Placebo
Sponsor
ModernaTX, Inc.