Table 1

ACDP hazard group definitions: table adapted from ref 7

ACDP hazard group definitions
Group 1Not likely to lead to disease in humans.
Group 2May lead to human disease and risk to employees but not likely to spread to other humans. Prophylaxis and/or treatment are generally accessible.
Group 3May lead to severe human disease and can be a significant risk to employees. It can spread to other humans. Prophylaxis and/or treatment are generally accessible.
Group 4Leads to severe human disease and poses a significant risk to employees. It is likely to spread to other humans. No prophylaxis and/or treatment are generally accessible.

  • ACDP, Advisory Committee on Dangerous Pathogens.