US Patent Issued to Intervet on March 31 for "Multivalent HVT vector vaccine" (Dutch Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,147, issued on March 31, was assigned to Intervet Inc. (Rahway, N.J.).

"Multivalent HVT vector vaccine" was invented by Martijn Alexander Langereis (Gennep, Netherlands) and Iwan Verstegen (Boxmeer, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention describes a recombinant herpesvirus of turkeys (rHVT) that can be used as a vector vaccine for poultry against infection and disease from multiple poultry pathogens. Specifically the rHVT expresses an infectious bursal disease virus (IBDV) viral protein 2 (VP2) gene and a Newcastle disease virus (NDV) fusion (F) protein gene from a first and a second expression cassette ins...