TABLE II

Criticality Assessment for Microbial Safety Concerns

AttributesSeverityUncertaintyDetectability
Bacterial endotoxinsHighLowAnalytical methods have a high sensitivity
SterilityHighLowCompendial methods are growth-based with at least a 14 day incubation
MycoplasmaModerate–HighLowSensitivity at least 10 CFU/mL
Adventitious virusesHighLowDetection methods sensitive but highly specific