Immunogenicity of RSV Vaccines in Residents of Long-Term Care Facilities (LTCF)

"All participants will get either the Pfizer RSV vaccine (RSVpreF (ABRYSVO)) or the GSK RSV vaccine (RSVpreF (AREXVY)) at 120 ug of the RSV prefusion F antigen intramuscularly in the the non-dominant deltoid muscle.~Long-term care facility residents will get whichever vaccine is available at the facility as part of standard of care. Community cohort will be matched proportionally"