Laboratory Animal Diagnostics, sample submission materials, sample collection, vials, swabs, animal health testing, infectious disease PCR testing, serology testing, microbiology testing Laboratory Animal Diagnostic Sample Submission Materials | Charles River Charles River provides laboratory animal diagnostic customers with IATA-compliant sample collection and shipping materials (vials/swabs, Gnoto-safe live-animal shippers, submission forms, shipping labels, and containers, etc.) free of charge.