Tonix Pharmaceuticals Holding Corp. (Tonix) is a clinical-stage biopharmaceutical company. It is focused on discovering, licensing, acquiring and developing small molecules and biologics to treat and prevent human disease and alleviate suffering. Tonixs portfolio is primarily composed of immunology and central nervous system (CNS) and infectious disease product candidates. Its immunology portfolio includes biologics to address organ transplant rejection, autoimmune diseases, and cancer. The CNS portfolio includes small molecules and biologics to treat pain, neurologic, psychiatric and addiction conditions. Its infectious disease portfolio of product candidates includes vaccines to prevent COVID-19, an antiviral to treat COVID-19, and treatment for long COVID. The infectious disease portfolio also includes a vaccine in development to prevent smallpox and monkeypox. Its product candidates include TNX-1500, TNX-1300, TNX-102 SL, TNX-102 SL, TNX-102 SL,TNX-1900,TNX-601 CR, and TNX-1900.