A02 - FAR 6 - Sole Source JA - Dengue Mathematical Model - Final_Redacted.pdf

This is a Justification and Approval (J&A) document for a sole source contract with Johns Hopkins University (JHU) to develop mathematical models for Dengue Virus (DENV) infection research. The United States Army Medical Research Acquisition Activity (USAMRAA), Contract Branch 1, is seeking a two-year contract with a potential one-year option, totaling from August 2025 to August 2027. The project's objective is to assist military readiness by creating mathematical models that quantify the probability of DENV infection, illness severity, and risk for military personnel deployed to specific locations at specific times.

The contract is valued at an undisclosed amount and is being awarded on a sole source basis because JHU possesses unique pre-established models, data sets, and expertise in developing infectious disease mathematical models that cannot be replicated by other teams within a reasonable timeframe. Market research was conducted from September to November 2024, and no other contractors demonstrated the required dengue-specific knowledge and expertise. The government posted a Request for Information (RFI) on January 29, 2025, with no acceptable responses, further justifying the sole source selection of JHU for this critical military infectious diseases research project.