Study: NCT05823974

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: Flu mRNA
Description: Different formulations of Flu mRNA (GSK4382276A) study intervention is administered intramuscularly in the non-dominant upper deltoid to YA and OA participants in Phase 1 and Phase 2, at Day 1.

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: Flu mRNA
Description: Different formulations of Flu mRNA (GSK4382276A) study intervention is administered intramuscularly in the non-dominant upper deltoid to YA and OA participants in Phase 1 and Phase 2, at Day 1.

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: Flu mRNA
Description: Different formulations of Flu mRNA (GSK4382276A) study intervention is administered intramuscularly in the non-dominant upper deltoid to YA and OA participants in Phase 1 and Phase 2, at Day 1.

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: Flu mRNA
Description: Different formulations of Flu mRNA (GSK4382276A) study intervention is administered intramuscularly in the non-dominant upper deltoid to YA and OA participants in Phase 1 and Phase 2, at Day 1.

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: Flu mRNA
Description: Different formulations of Flu mRNA (GSK4382276A) study intervention is administered intramuscularly in the non-dominant upper deltoid to YA and OA participants in Phase 1 and Phase 2, at Day 1.

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: Flu mRNA
Description: Different formulations of Flu mRNA (GSK4382276A) study intervention is administered intramuscularly in the non-dominant upper deltoid to YA and OA participants in Phase 1 and Phase 2, at Day 1.

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: Flu mRNA
Description: Different formulations of Flu mRNA (GSK4382276A) study intervention is administered intramuscularly in the non-dominant upper deltoid to YA and OA participants in Phase 1 and Phase 2, at Day 1.

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: Flu mRNA
Description: Different formulations of Flu mRNA (GSK4382276A) study intervention is administered intramuscularly in the non-dominant upper deltoid to YA and OA participants in Phase 1 and Phase 2, at Day 1.

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: Flu mRNA
Description: Different formulations of Flu mRNA (GSK4382276A) study intervention is administered intramuscularly in the non-dominant upper deltoid to YA and OA participants in Phase 1 and Phase 2, at Day 1.

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: Flu mRNA
Description: Different formulations of Flu mRNA (GSK4382276A) study intervention is administered intramuscularly in the non-dominant upper deltoid to YA and OA participants in Phase 1 and Phase 2, at Day 1.

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: Flu mRNA
Description: Different formulations of Flu mRNA (GSK4382276A) study intervention is administered intramuscularly in the non-dominant upper deltoid to YA and OA participants in Phase 1 and Phase 2, at Day 1.

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: Flu mRNA
Description: Different formulations of Flu mRNA (GSK4382276A) study intervention is administered intramuscularly in the non-dominant upper deltoid to YA and OA participants in Phase 1 and Phase 2, at Day 1.

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: Flu mRNA
Description: Different formulations of Flu mRNA (GSK4382276A) study intervention is administered intramuscularly in the non-dominant upper deltoid to YA and OA participants in Phase 1 and Phase 2, at Day 1.

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: Flu mRNA
Description: Different formulations of Flu mRNA (GSK4382276A) study intervention is administered intramuscularly in the non-dominant upper deltoid to YA and OA participants in Phase 1 and Phase 2, at Day 1.

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: Flu mRNA
Description: Different formulations of Flu mRNA (GSK4382276A) study intervention is administered intramuscularly in the non-dominant upper deltoid to YA and OA participants in Phase 1 and Phase 2, at Day 1.