The results indicate that the predominant organism groups were a complicated ecosystem including bacteria, protozoa and algae in the biotrickling filter while it was only fungi in the biofilter.

结果表明：生物滴滤池中形成了由细菌、藻类及原生动物组成的复杂生态系统，而生物过滤池中真菌为优势微生物。

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There is some evidence, based on the experience in Iraq, that some groups may have been able to make the anthrax organism resistant to antibiotics.

CNN: Dr. William Hall: Medical impact of bioterrorism