Introduction Respiratory Syncytial Virus (RSV) is a contagious respiratory virus that can cause severe illness in vulnerable populations, including older adults, infants, and pregnant women. RSV is a leading cause of hospitalization in older adults and can lead to serious complications such as pneumonia or bronchitis. For infants, RSV infection during the first months of life can be particularly dangerous. In recent years, new vaccines have been developed to protect high-risk groups from RSV. Specifically, vaccines for older adults and pregnant women have been approved, offering a powerful preventive tool to reduce severe illness and hospitalizations. This article provides an…