Nov 03

Vaccine provides broad spectrum protection against the strains associated with coryza outbreaks in the U.S.

Merck Animal Health, known as MSD Animal Health outside of the United States and Canada, a division of Merck & Co., Inc., Rahway, N.J., USA (NYSE:MRK), today announced it has reintroduced its Corvac-3 vaccine to help U.S. poultry producers combat outbreaks of avian coryza, an acute respiratory infection of chickens.

Corvac 3 vialCorvac-3 provides broad-spectrum protection against disease caused by Avibacterium paragallinarum (coryza serotypes A, B or C) and is approved for use in chickens five weeks of age or older by subcutaneous injection. It has optimum antigen content and provides dependable development of immunity against the disease.

“In light of recent outbreaks of avian coryza, Merck Animal Health has relaunched its Corvac-3 vaccine in the U.S.” said Jim Stockam, D.V.M. for Merck Animal Health. “This vaccine is prepared from three inactivated strains of Avibacterium paragallinarum belonging to serotypes of A, B, and C and provides comprehensive protection against the strains associated with coryza outbreaks in the U.S.”

The product is now commercially available. It comes in a 500-ml (1,000 doses) presentation.

For more information about Corvac-3, contact your Merch Animal Health sales or technical services representative or visit the website here.

View the CORVAC-3® Product label here.

About Merck Animal Health

At Merck, known as MSD outside of the United States and Canada, we are unified around our purpose: We use the power of leading-edge science to save and improve lives around the world. For more than a century, we’ve been at the forefront of research, bringing forward medicines, vaccines and innovative health solutions for the world’s most challenging diseases. Merck Animal Health, a division of Merck & Co., Inc., Rahway, N.J., USA, is the global animal health business of Merck. Through its commitment to The Science of Healthier Animals®, Merck Animal Health offers veterinarians, farmers, pet owners and governments one of the widest ranges of veterinary pharmaceuticals, vaccines and health management solutions and services as well as an extensive suite of connected technology that includes identification, traceability and monitoring products. Merck Animal Health is dedicated to preserving and improving the health, well-being and performance of animals and the people who care for them. It invests extensively in dynamic and comprehensive R&D resources and a modern, global supply chain. Merck Animal Health is present in more than 50 countries, while its products are available in some 150 markets. For more information, visit and connect with us on LinkedInFacebookTwitter and Instagram

Media Contact

Kathleen Cuddy, (816)301-8253, This email address is being protected from spambots. You need JavaScript enabled to view it.  


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