This is a sources sought notice for market research purposes only, not a request for proposals. The requirement is for an experienced laboratory to provide virus isolation and molecular RNA analysis services for avian influenza virus from environmental samples for the USGS Upper Midwest Water Science Center. Services include egg inoculation, virus isolation, RT-PCR, subtyping, and optional sequencing, along with data interpretation and manuscript support. The contractor must maintain appropriate biocontainment, certified equipment, and trained personnel, and must deliver data and a methods document within 45 days of sample receipt. No budget amount or performance location is specified.