In the case of biological agents not listed as classified biological agents, cf. the Regulations concerning Action and Limit Values, the employer shall assess the infection risk group based on the criteria set out in said regulations.In the case of work that can entail exposure to biological agents that have become multidrug-resistant, the employer shall conduct an assessment of whether the work can be carried out subject to more stringent containment measures than the ones adopted for the infection risk group to which the biological agent belongs.Based on the above, the employer shall assess whether and, if so, which protection and safety measures must be implemented for the protection of employees.