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Western Equine Encephalitis Vaccine

Development stage
Phase 2
Lead developer
U.S. Army Medical Research Institute of Infectious Diseases
Modality
Whole Inactivated Vaccines → Inactivated Vaccines → Prophylactic Vaccines → Vaccines & Immunotherapeutics
Administration
Intramuscular
01

Overview

The Western Equine Encephalitis Vaccine is an experimental, inactivated vaccine developed by the United States Army Medical Research Institute of Infectious Diseases (USAMRIID) for the prevention of Western Equine Encephalitis (WEE). It has been utilized under an Investigational New Drug (IND) protocol since 1976, primarily for at-risk laboratory personnel. Clinical trials have demonstrated its immunogenicity, safety, and tolerability. However, despite its long-term use, full licensure for this specific formulation is not planned due to manufacturing constraints and a strategic decision to pursue alternative vaccines.

Other names
WEE VaccineWEEV

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