Beyfortus

nirsevimab · Sanofi Winthrop Industrie
PRIME AUTHORISED IN THE EU

What Beyfortus is used for

Beyfortus is indicated for the prevention of Respiratory Syncytial Virus (RSV) lower respiratory tract disease in:i. Neonates and infants during their first RSV season.ii. Children up to 24 months of age who remain vulnerable to severe RSV disease through their second RSV season (see section 5.1).Beyfortus should be used in accordance with official recommendations. Beyfortus is indicated for the prevention of Respiratory Syncytial Virus (RSV) lower respiratory tract disease in:i. Neonates and infants during their first RSV season.ii. Children up to 24 months of age who remain vulnerable to severe RSV disease through their second RSV season (see section 5.1).Beyfortus should be used in accordance with official recommendations.

Approved use, as published by the European Medicines Agency.

What the labels mean

  • PRIME: a priority medicine that the EMA supported early because it may meet an unmet need.

Key facts

Brand
Beyfortus
Active substance
nirsevimab
Medicine group
Immune sera and immunoglobulins
ATC code
J06BD08
Marketing authorisation holder
Sanofi Winthrop Industrie
Authorised in the EU since
2022

Official information

In the USA

Same active substance: Beyfortus

Specialist medicine: started and supervised by a specialist doctor or hospital. This page is a plain-language summary of public official information, not medical advice; follow your doctor and the official product information.

Common questions

What is Beyfortus used for?

Beyfortus is indicated for the prevention of Respiratory Syncytial Virus (RSV) lower respiratory tract disease in:i. Neonates and infants during their first RSV season.ii. Children up to 24 months of age who remain vulnerable to severe RSV disease through their second RSV season (see section 5.1).Beyfortus should be used in accordance with official recommendations. Beyfortus is indicated for the prevention of Respiratory Syncytial Virus (RSV) lower respiratory tract disease in:i. Neonates and infants during their first RSV season.ii. Children up to 24 months of age who remain vulnerable to sev…

What is the active substance in Beyfortus?

Beyfortus contains nirsevimab.

Who makes Beyfortus?

The EU marketing authorisation holder is Sanofi Winthrop Industrie.

Source: European Medicines Agency medicines data (ema.europa.eu), reproduced with acknowledgement of the source. Page made 5 November 2026 by Satya Babu.

← All specialty medicines, EU

For information only, not medical advice. This page is a plain-language summary written from standard prescribing information and the public guides linked below. Brands sometimes change their formula, so always check the composition printed on the pack. Doses here are typical adult doses; yours may differ. Do not start, stop or change a medicine without your doctor or pharmacist, and keep all medicines away from children. In an emergency, call 112 (India) or your local emergency number.