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Tonix Pharmaceuticals Presents Development Update on Potential Smallpox and Monkeypox Vaccine TNX-801 in an Oral Presentation at the World Vaccine and Immunotherapy Congress
TNX-801 is Based on the Sequence of a Natural Isolate of Horsepox and is Believed Closer in Structure to Edward Jenner’s 1798 Vaccine than Modern Vaccinia

About this update from Tonix Pharmaceuticals Holding Corp.
[{"type":"text","content":"TNX-801 is Based on the Sequence of a Natural Isolate of Horsepox and is Believed Closer in Structure to Edward Jenner’s 1798 Vaccine than Modern Vaccinia Virus Vaccines Against Smallpox Live-Virus Vaccine Platform Leverages Tonix’s Expanding Internal Development and Manufacturing Capabilities for Biologics CHATHAM, N.J., Dec. 01, 2022 (GLOBE NEWSWIRE) -- Tonix Pharmaceuticals Holding Corp. (Nasdaq: TNXP), a clinical-stage biopharmaceutical company, today announced that Seth Lederman, M.D., Chief Executive Officer of Tonix Pharmaceuticals, presented data from the Company’s TNX-801 (live horsepox virus vaccine) smallpox and monkeypox vaccine development program in an oral presentation at the World Vaccine and Immunotherapy Congress 2022, being held in San Diego, Calif., November 28 - December 1, 2022. A copy of the Company’s presentation is available under the Scientific Presentations tab of the Tonix website at www.tonixpharma.com “TNX-801 is a live virus vaccine that we believe is closer to the smallpox vaccines used in the U.S. and Europe before 1900 than the modern vaccinia smallpox vaccines. TNX-801 has reduced virulence in animals, and we believe it has the potential for widespread use to protect against monkeypox,” said Seth Lederman, M.D., President and Chief Executive Officer. “Recent global outbreaks of monkeypox have highlighted the need to be prepared with a vaccine that provides durable immunity and blocks forward transmission. Tonix’s live virus vaccine technology is designed to achieve these outcomes.” The oral presentation titled, “Live Virus Smallpox and Monkeypox Vaccine,” describes the history of live virus vaccines and rationale for the development of the Company’s Recombinant Pox Virus (RPV) platform, including TNX-801 to protect against monkeypox and smallpox. The presentation describes the origins of immunization, beginning with the first live virus vaccine invented by Dr. Edward Jenner in 1798. The inoculation procedure was called “vaccination” and the inoculum material was initially obtained from lesions on cows affected by a mild disease known as cowpox. However, Dr. Jenner suspected that cowpox originated from horses8,which led to immunization using material directly obtained from horses. This procedure was sometimes called “equination”. Equination and vaccination were practiced side-by-side in Europe13...