Preventing Respiratory Syncytial Virus in Infants
- Samantha Moe; Sam Wong; Michael Kolber
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This one-page article outlines how monoclonal antibodies can help prevent respiratory syncytial virus (RSV) in infants. Palivizumab, given in 4 to 5 doses during RSV season, reduces hospital visits for high-risk infants. Nirsevimab, a single dose, lowers RSV hospitalizations in both healthy premature and term infants. Side effects are similar to placebo treatments. The National Advisory Committee on Immunization recommends nirsevimab for certain infant groups at risk of severe RSV disease and considers it more cost-effective than palivizumab. In Canada, most RSV cases happen between November and April each year.
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