Typical dosage for Beyfortus
Beyfortus is injected into the front side of the thigh muscle. It's injected by a trained healthcare professional.
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Newborns and infants born during or entering their first RSV season
- Weigh less than 5 kg (11 lbs): The typical dose is 50 mg given as one injection.
- Weigh 5 kg (11 lbs) or more: The typical dose is 100 mg given as one injection.
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Children up to 24 months old at risk of severe RSV illness in their second RSV season
- The typical dose is 200 mg, given as two 100 mg injections during one office visit.
Note: Children who need heart surgery might need an extra dose of Beyfortus afterwards.
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