Company Filing History:
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1 out of 6 Years Active: 1984-1991
Title: Elmer R. Pfefferkorn: Innovator in Toxoplasma Immunization
Introduction
Elmer R. Pfefferkorn, a renowned inventor based in Hanover, NH, has made significant contributions to veterinary medicine through his innovative approaches to immunization against Toxoplasma gondii. With two patented inventions, his work addresses critical challenges in preventing disease transmission in domestic animals.
Latest Patents
Pfefferkorn's most notable patents include a vaccine for immunizing cats against toxoplasma oocyst shedding and a method for immunization of both animals and humans against Toxoplasma gondii. The first patent describes a new mutant strain vaccine that utilizes a reproductively deficient strain of T. gondii, designated T-263. This vaccine enables cats to develop immunity against T. gondii challenges without shedding infectious oocysts, thus eliminating the need for further chemoprophylaxis after primary infection. The second patent outlines a method involving subcutaneous administration of a temperature-sensitive mutant of a persistent, virulent strain of T. gondii to immunize mammals and birds. This innovative method ensures that the vaccine induces immunity without leading to chronic infections, safeguarding subjects who may later become immunosuppressed.
Career Highlights
Throughout his career, Pfefferkorn has held positions at esteemed institutions, including the University of Kansas and Dartmouth College. His dedication to research and development in the field of immunology has pushed the boundaries of veterinary science and contributed to public health safety.
Collaborations
Pfefferkorn has collaborated with prominent professionals in his field, including his coworker Jacob K. Frenkel. Their collective efforts have resulted in groundbreaking advancements in the methodology for immunization against Toxoplasma gondii, benefiting both animal health and human safety.
Conclusion
Elmer R. Pfefferkorn's innovative patents and contributions to immunization strategies reflect a commitment to improving the health and wellbeing of animals and humans alike. His research continues to pave the way for effective solutions in combating infectious diseases, establishing him as a significant figure in the realm of veterinary medicine and public health.