# SAM #HT942626PE042

Sole-source Sentosa HIV-1 genotyping products and system support for WRAIR

**Buyer:** Army Medical Research Acquisition Activity
**Posted:** October 01, 2026
**Identifier:** HT942626PE042
**NAICS:** 811210, 325413

The Defense Health Agency is pursuing a sole-source follow-on with Vela Diagnostics for HIV-1 genotyping products and support at WRAIR.
- **Requirement:** Sentosa kits, consumables, supplies, sequencing systems and sub-components, plus maintenance and repair for the HIV Diagnostics and Reference Lab at the Walter Reed Army Institute of Research (WRAIR).
- **Manufacturer and platform:** Vela Diagnostics’ Sentosa SQ Next Generation Sequencing system and HIV-1 Genotype test. The notice cites FDA approval and proprietary product compatibility as the basis for limiting competition.
- **Contract approach:** Sole-source, firm-fixed-price follow-on procurement; the available information identifies no individual part numbers or quantities.
- **Period of performance:** One-year base period, September 30, 2026–September 29, 2027, with four one-year options, for up to five years through September 29, 2031.
- **Estimated total value:** $2,035,407.89 for the potential five-year period.
- **Maintenance requirement:** Maintain and repair Sentosa systems so instruments meet and maintain CAP standards for clinical testing operations.

### Description

<p>The attached document is the Redacted Justification and Approval for the Other than Full anbd Open Competition of theSequencing System for HIV-1 Testing for WRAIR.</p>

[View original listing](https://sam.gov/opp/c3f18d001cc24e9888bebc4fc3ebdd5b/view)