Nobilis IB 4-91


live attenuated vaccine against avian infectious bronchitis

This medicine is authorised for use in the European Union.


This is a summary of the European public assessment report (EPAR). Its purpose is to explain how the assessment done by the Committee for Medicinal Products for Veterinary Use (CVMP), on the basis of the documentation provided, led to the recommendations on the conditions of use.

This summary cannot replace a face-to-face discussion with your veterinarian. If you need more information about your animal’s medical condition or treatment, contact your veterinarian. If you want more information on the basis of the CVMP recommendations, read the scientific discussion (also part of the EPAR).

This EPAR was last updated on 26/04/2021

Authorisation details

Product details
Nobilis IB 4-91
Agency product number
Active substance
live attenuated avian infectious bronchitis virus variant strain 4-91
International non-proprietary name (INN) or common name
live attenuated vaccine against avian infectious bronchitis
Anatomical therapeutic chemical veterinary (ATCvet) codes
Publication details
Marketing-authorisation holder
Intervet International BV
Date of issue of marketing authorisation valid throughout the European Union
Contact address
Intervet International B.V.
Wim de Körverstraat 35
5831 AN Boxmeer
The Netherlands

Product information

20/01/2021 Nobilis IB 4-91 - EMEA/V/C/000036 - II/0027/G

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Product information documents contain:

You can find product information documents for centrally authorised human medicines on this website. For centrally authorised veterinary medicines authorised or updated from February 2022, see the Veterinary Medicines Information website.

Pharmacotherapeutic group

Immunologicals for aves

Therapeutic indication

Active immunisation of chickens to reduce the respiratory signs of infectious bronchitis caused by the variant strain IB 4-91.

Assessment history


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