FIGURE.

Influenza-associated hospitalizations indicators and intensity thresholds — Minnesota*^,† and Utah,^§,¶ 2012–18 influenza seasons

Abbreviations: IT₅₀ = intensity threshold at which there is a 50% chance of observing a higher value during 2017–18 based on historical (2012–13 through 2016–17) peak values; IT₉₀ = intensity threshold at which there is a 10% chance of observing a higher value during 2017–18 based on historical (2012–13 through 2016–17) peak values; IT₉₈ = intensity threshold at which there is a 2% chance of observing a higher value during 2017–18 based on historical (2012–13 through 2016–17) peak values.

* Reported to the Minnesota Department of Health.

^† Minnesota intensity thresholds: IT₅₀ = 255; IT₉₀ = 511; IT₉₈ = 778.

^§ Reported to the Utah Department of Health.

^¶ Utah intensity thresholds: IT₅₀ = 3.66; IT₉₀ = 5.99; IT₉₈ = 8.06.