Males and Females 18 years and older
There is NO placebo in this trial. Every participant will receive the FDA approved GSK Fluarix Quadrivalent influenza vaccine or a composition of the investigational GSK mRNA influenza vaccine.
There is NO placebo in this trial. Every participant will receive the FDA approved GSK Fluarix Quadrivalent influenza vaccine or a composition of the investigational GSK mRNA influenza vaccine.
6 visits over ~6 months
Participants are paid for diary compliance and for time and travel associated with completion of study visits.