The pandemic severity index (PSI) was a proposed classification scale for reporting the severity of influenza pandemics in the United States. The PSI was accompanied by a set of guidelines intended to help communicate appropriate actions for communities to follow in potential pandemic situations.[1] Released by the United States Department of Health and Human Services (HHS) on February 1, 2007, the PSI was designed to resemble the Saffir-Simpson Hurricane Scale classification scheme.[2][3] The index was replaced by the Pandemic Severity Assessment Framework in 2014, which uses quadrants based on transmissibility and clinical severity rather than a linear scale.[4]
^Department of Health & Human Services, (2007) Interim Pre-Pandemic Planning Guidance: Community Strategy for Pandemic Influenza Mitigation in the United States – Early, Targeted, Layered Use of Nonpharmaceutical Interventions (Full Text of the Initial Report outlining PSI), US Centers for Disease Control,
^Gardner, Amanda (February 1, 2007). "U.S. Health Officials Unveil Flu Pandemic Plan". Washington Post. Retrieved August 21, 2007. U.S. health officials on Thursday outlined an early-warning system similar to that employed for hurricanes to protect and mobilize the country against a flu pandemic.
^Roos, Robert; Lisa Schnirring (February 1, 2007). "HHS ties pandemic mitigation advice to severity". CIDRAP News. Retrieved August 11, 2007.
^Cite error: The named reference Holloway2014 was invoked but never defined (see the help page).
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