The Department of Health and Human Services, specifically the National Institutes of Health (NIH) through the National Institute of Allergy and Infectious Diseases (NIAID), is seeking quotes for a service agreement for a FACSymphony S6 sorter and associated lasers. The contract aims to ensure the maintenance and optimal operation of flow cytometers and related equipment critical for research on immune responses in HIV- and SIV-infected samples. This service agreement is essential for the uninterrupted functionality of the equipment used in the Vaccine Research Center's Flow Cytometry Core, with a performance period from February 1, 2025, to January 31, 2026. Interested vendors must submit their quotes by November 25, 2024, at 12:00 PM EST, and can contact Mildred Moss at mildred.moss@nih.gov or Tonia Alexander at talexander@niaid.nih.gov for further information.