The paper describes the first attempt to isolate and identify the microbiocenosis associated with the objects of a morphological laboratory that uses formalin. The study identified the following microorganisms: the bacteria Bacillus sp., Providencia alcalifaciens, and Staphylococcus aureus, the micromycetes Scopulariopsis brevicaulis, Aspergillus sp., Hormodendron sp., and the mites Dermatophagoides pterronissimus. There is experimental evidence that these organisms are resistant to formalin. The representatives of this cenosis can negatively affect the health of the workers, which requires the development of the optimal technologies of biomaterial fixation.
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