The concept and belief in the idea of "biocontainment" has undergone significant evolution during the past 20 years. The authors believe that the time is right to move to the next phase of this evolution to reassess establishment of formal standards for what constitutes a biocontainment unit and what diseases might be considered for admission to a biocontainment unit.
Keywords: Biocontainment; Containment care; Ebola; Infectious diseases; Lassa; Marburg.