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Beyfortus™ (Nirsevimab)
About Beyfortus™ (Nirsevimab) Beyfortus™ or Nirsevimab is a monoclonal antibody that is used to prevent respiratory syncytial virus (RSV) infection. It is administered intramuscularly as a one-time, fixed dose of 50mg (infants 5kg, or 100mg (infants ≥ 5 kg) during the RSV season. In October of 2003, the Nova...