Cohort1: mRNA-1345_day 1_Placebo_day 1
|
Administration route |
intramuscular injection |
Dosage |
mRNA-1345, Single injection, on Day 1 |
Age |
Adult, Older_Adult |
|
Cohort2: mRNA-1345_day 1_Afluria Quadrivalent_day 1
|
Administration route |
intramuscular injection |
Dosage |
mRNA-1345, Single injection, on Day 1 |
Age |
Adult, Older_Adult |
|
Cohort3: Afluria Quadrivalent_day 1_Placebo_day 1
|
Administration route |
intramuscular injection |
Dosage |
no injection |
Age |
Adult, Older_Adult |
|
Cohort4: mRNA-1345_day 1_Placebo_day 1_mRNA-1273.214_Day 29
|
Administration route |
intramuscular injection |
Dosage |
mRNA-1345, Single injection, on Day 1; mRNA-1273.214, on Day 29 |
Age |
Adult, Older_Adult |
|
Cohort5: mRNA-1345_day 1_mRNA-1273.214_day 1_Placebo_Day 29
|
Administration route |
intramuscular injection |
Dosage |
mRNA-1345, Single injection, on Day 1; mRNA-1273.214, Single injection, on Day 1 |
Age |
Adult, Older_Adult |
|
Cohort6: mRNA-1273.214_day 1_Placebo_day 1_Placebo_Day 29
|
Administration route |
intramuscular injection |
Dosage |
mRNA-1273.214, Single injection, on Day 1; placebo, Single injection, on Day 1; placebo, on Day 29 |
Age |
Adult, Older_Adult |
|
Cohort7: mRNA-1345_day 1
|
Administration route |
intramuscular injection |
Dosage |
mRNA-1345, Single injection, on Day 1 |
Age |
Adult, Older_Adult |
|