Fig. 1: Prioritization tool used in triage protocol for the initial assessment of patients' needs for critical care during an influenza pandemic. See online Appendix 1 for the SOFA scoring criteria and online Appendix 2 for the complete prioritization tool, which includes details on reassessing patients at 48 and 120 hours (appendices are available at www.cmaj.ca/cgi/content/full/175/11/1377/DC1). See Box 2 for exclusion criteria.