Vaccine Licensing

Any company trying to put a new vaccine on the market must follow a specific process to obtain a license from the USDA before the product can be used in the horse population. A vaccine receives either a conditional or full license after a series

Share
Favorite
Close

No account yet? Register

ADVERTISEMENT

Any company trying to put a new vaccine on the market must follow a specific process to obtain a license from the USDA before the product can be used in the horse population. A vaccine receives either a conditional or full license after a series of purity, safety, efficacy, and potency tests. But what does all of this licensing jargon mean? The Horse went to Larry Ludemann, DVM, a Senior Staff Veterinarian at USDA’s Center for Veterinary Biologics (CVB), where animal vaccines are reviewed and approved for use in the United States for help explaining the licensing subtleties to you.


New Viruses, New Vaccines


Vaccines are periodically developed because of new disease threats that arise in the United States, or because of new strains of diseases that are already in this country. The West Nile virus (WNV) vaccine is a good example of a vaccine developed in the face of a new disease threat.


The WNV vaccine, manufactured by Fort Dodge Animal Health, is a conditionally licensed product, meaning that in order to receive approval for distribution and use, the company had to show purity, quality, and a reasonable expectation of efficacy. (Fort Dodge did this and the vaccine was released with a conditional license on Aug. 1, 2001.) A vaccine with a conditional license is approved for use on a state-by-state basis, and the WNV vaccine is only available through a veterinarian

Create a free account with TheHorse.com to view this content.

TheHorse.com is home to thousands of free articles about horse health care. In order to access some of our exclusive free content, you must be signed into TheHorse.com.

Start your free account today!

Already have an account?
and continue reading.

Share

Written by:

Stephanie L. Church, Editorial Director, grew up riding and caring for her family’s horses in Central Virginia and received a B.A. in journalism and equestrian studies from Averett University. She joined The Horse in 1999 and has led the editorial team since 2010. A 4-H and Pony Club graduate, she enjoys dressage, eventing, and trail riding with her former graded-stakes-winning Thoroughbred gelding, It Happened Again (“Happy”). Stephanie and Happy are based in Lexington, Kentucky.

Related Articles

Stay on top of the most recent Horse Health news with

FREE weekly newsletters from TheHorse.com

Sponsored Content

Weekly Poll

sponsored by:

Do you use slow feeders or slow feed haynets for your horse? Tell us why or why not.
334 votes · 334 answers

Readers’ Most Popular

Sign In

Don’t have an account? Register for a FREE account here.

Need to update your account?

You need to be logged in to fill out this form

Create a free account with TheHorse.com!