DR. JOHN WESLEY WILLIAMS, MD
Radiology at Rock Prairie Rd, College Station, TX

License number

Texas 052240

Personal information

See more information about JOHN WESLEY WILLIAMS at radaris.com

Name

Address

Phone

John Williams

5102 Fairway Dr, San Angelo, TX 76904

John Williams

5106 Bosworth St, Houston, TX 77017

John Williams

508 N Buckboard Dr, Kerrville, TX 78028

John Williams

509 Walker St, Marlin, TX 76661

John Williams

5122 Torchlight Dr, Houston, TX 77035

Professional information

Vaccine Comprising Brucella Abortus Which Has O Polysaccharide Antigen Absent

US Patent:

5718903, Feb 17, 1998

Filed:

Feb 14, 1994

Appl. No.:

8/196777

Inventors:

Leslie Garry Adams - College Station TX
Richard P. Crawford - College Station TX
Donald S. Davis - College Station TX
Thomas A. Ficht - College Station TX
Roger Smith - College Station TX
Blair A. Sowa - Bryan TX
Joe W. Templeton - College Station TX
John D. Williams - College Station TX
Albert M. Wu - Tao-yuan, TW

Assignee:

The Texas A&M University System - College Station TX

International Classification:

A61K 3910, C12N 121

US Classification:

4242351

Abstract:

The present invention is an improved vaccine against Brucella abortus which permits differentiation between vaccinated and field strain infected cattle. The vaccine can be administered in two different forms: (1) cell envelopes isolated from an O polysaccharide antigen deficient, stable transposon mutant of B. abortus or (2) an O polysaccharide antigen deficient, stable transposon mutant of B. abortus.