Aktiviteter, som indebærer håndtering af en biologisk agens, må kun udføres: i arbejdsområder svarende til mindst fysisk indeslutningsniveau 2, for så vidt angår en bilologisk agens i gruppe 2;
Activities involving the handling of a biological agent must be carried out: only in working areas corresponding to at least containment level 2, for a group 2 biological agent; only in working areas corresponding to at least containment level 3, for a group 3 biological agent; only in working areas corresponding to at least containment level 4, for a group 4 biological agent.