Respiratory syncytial virus (RSV) is a common respiratory virus that typically causes mild cold-like symptoms but can potentially cause severe illness in children and older adults. Every year, thousands of older adults and infants are hospitalized due to RSV, and 10,000 or more die.  In 2023, two vaccines (Abrysvo and Arexvy) and a monoclonal antibody (Beyfortus) became available to help prevent lower respiratory tract disease (LRTD) associated with RSV.