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Table 2 Practical attributes in surrogate selection

From: Identifying experimental surrogates for Bacillus anthracis spores: a review

Attribute Remarks
Safety Should not cause illness or infection in animals or plants
Ease of culture Able to produce with standard microbiological methods in a reasonable timeframe and have reproducibility
History of use Possibility of attaining comparative information from the literature and judging surrogate behaviour
Ease and speed of detection Allows large numbers of samples to be processed for rapid feedback of results
Cost Surrogate production and detection should not be excessive
Stability or persistence No long-term persistence, or easily decontaminated
Practical for industrial testing Should not damage equipment or processes