Study: NCT06680375

Intervention type: COMBINATION_PRODUCT
Group type: EXPERIMENTAL
Intervention: Flu Seasonal /SARS-CoV-2 mRNA Dose 1
Description: A Flu mRNA vaccine composition in combination with Dose 1 of a COVID-19 component will be administered.

Intervention type: COMBINATION_PRODUCT
Group type: EXPERIMENTAL
Intervention: Flu Seasonal /SARS-CoV-2 mRNA Dose 2
Description: A Flu mRNA vaccine composition in combination with Dose 2 of a COVID-19 component will be administered.

Intervention type: COMBINATION_PRODUCT
Group type: ACTIVE_COMPARATOR
Intervention: Flu Seasonal mRNA
Description: An investigational mRNA Flu Seasonal vaccine will be administered.

Intervention type: COMBINATION_PRODUCT
Group type: ACTIVE_COMPARATOR
Intervention: Flu Seasonal mRNA
Description: An investigational mRNA Flu Seasonal vaccine will be administered.

Intervention type: COMBINATION_PRODUCT
Group type: ACTIVE_COMPARATOR
Intervention: Flu Seasonal mRNA
Description: An investigational mRNA Flu Seasonal vaccine will be administered.

Intervention type: COMBINATION_PRODUCT
Group type: ACTIVE_COMPARATOR
Intervention: SARS-CoV-2 mRNA Dose 1
Description: Dose 1 of an investigational mRNA COVID-19 vaccine will be administered.

Intervention type: COMBINATION_PRODUCT
Group type: ACTIVE_COMPARATOR
Intervention: SARS-CoV-2 mRNA Dose 2
Description: Dose 2 of an investigational mRNA COVID-19 vaccine will be administered.

Intervention type: COMBINATION_PRODUCT
Group type: ACTIVE_COMPARATOR
Intervention: Licensed Flu Seasonal
Description: A licensed Flu Seasonal vaccine will be administered.

Intervention type: COMBINATION_PRODUCT
Group type: ACTIVE_COMPARATOR
Intervention: Licensed Flu Seasonal
Description: A licensed Flu Seasonal vaccine will be administered.

Intervention type: COMBINATION_PRODUCT
Group type: ACTIVE_COMPARATOR
Intervention: Licensed Flu Seasonal
Description: A licensed Flu Seasonal vaccine will be administered.

Intervention type: COMBINATION_PRODUCT
Group type: ACTIVE_COMPARATOR
Intervention: Licensed COVID-19 mRNA
Description: A licensed mRNA COVID-19 vaccine will be administered.

Intervention type: COMBINATION_PRODUCT
Group type: ACTIVE_COMPARATOR
Intervention: Licensed COVID-19 mRNA
Description: A licensed mRNA COVID-19 vaccine will be administered.

Intervention type: COMBINATION_PRODUCT
Group type: ACTIVE_COMPARATOR
Intervention: Licensed COVID-19 mRNA
Description: A licensed mRNA COVID-19 vaccine will be administered.

Intervention type: DRUG
Group type: ACTIVE_COMPARATOR
Intervention: Placebo
Description: Placebo will be administered.

Intervention type: DRUG
Group type: ACTIVE_COMPARATOR
Intervention: Placebo
Description: Placebo will be administered.

Intervention type: DRUG
Group type: ACTIVE_COMPARATOR
Intervention: Placebo
Description: Placebo will be administered.

Intervention type: DRUG
Group type: ACTIVE_COMPARATOR
Intervention: Placebo
Description: Placebo will be administered.

Intervention type: DRUG
Group type: ACTIVE_COMPARATOR
Intervention: Placebo
Description: Placebo will be administered.

Intervention type: DRUG
Group type: ACTIVE_COMPARATOR
Intervention: Placebo
Description: Placebo will be administered.

Intervention type: DRUG
Group type: ACTIVE_COMPARATOR
Intervention: Placebo
Description: Placebo will be administered.

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Placebo
Description: Placebo will be administered.