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Respiratory syncytial virus (RSV) is a leading cause of acute lower respiratory tract infections (LRTIs) in infants and young children. In April 2024, the Korea Ministry of Food and Drug Safety approved nirsevimab (Beyfortus), a long-acting monoclonal antibody, as a passive immunization to prevent RSV-associated LRTI among infants and young children. Nirsevimab was launched in Korea in February 2025. This... |