ABC of Safety in the Biological Sciences
CATEGORY C PATHOGENS
This category includes organisms, viruses and materials that are not listed in Categories A, B1 and B2, that offer no special potential hazards to workers in the biological sciences provided that high standards of microbiological technique and safety are observed.
Miller, B.M. et al. (1986)
Laboratory Safety: Principles and Practices.
American Society for Microbiology, Washington DC, U.S.A.