The Defense Logistics Agency (DLA) Troop Support is seeking sources capable of providing live, oral, enteric-coated tablets of the Adenovirus Type 4 and Type 7 Vaccine for active immunization against respiratory infections. The procurement involves an Indefinite Delivery-Indefinite Quantity (IDIQ) contract with an estimated annual order quantity of 2,000 packages, each containing 100 doses of both vaccine types, with the first deliveries expected 3-6 months post-award. This vaccine is critical for military personnel health, and interested manufacturers must have FDA approval and provide detailed information regarding their production capabilities and product specifications. Responses to this Request for Information (RFI) should be submitted electronically to Yu Chen at yu.chen@dla.mil, as there is no solicitation at this time.