Disclosed herein are biological indicators suitable for use in a liquid-chemical sterilization process that may be conducted by an automated endoscope reprocessor. The biological indicator may include one or more ports for introducing and removing a liquid-chemical sterilant therefrom. The biological indicators may include features, such as a declivity leading to a port opening or a pipette, that may assist in transferring the liquid-chemical sterilant. The system may additionally include a holder having features that facilitate use of the system and biological indicators.
