Influenza surveillance in Alberta

Evidence of influenza in Alberta 2014–2015

Summary: Week 2,  January 11–17, 2015

Indicators of influenza activity are trending downwards in the majority of zones in the province. While Calgary Zone has widespread influenza activity with multiple outbreaks, the rest of the province reported few or no influenza outbreak. A decrease in the number of lab-confirmed cases and the proportion of ILI cases identified through sentinel surveillance was evident.

North
  • Localized activity
  • Edmonton
  • Localized activity
  • Central
  • Localized activity
  • Calgary
  • Widespread activity
  • South
  • Localized activity
  • Activity level definitions

    • No activity – No laboratory-confirmed influenza detections in the reporting week. However, sporadically occurring influenza-like illness (ILI) may be reported.
    • Sporadic – Sporadically occuring ILI and lab confirmed influenza detection(s) with no ILI/influenza outbreaks detected within the health zone.
    • Localized – Evidence of increased ILI and lab confirmed influenza detection(s) together with outbreaks in schools, hospitals, residential institutions and/or other types of facilities occurring in less than 50% of the health zone.
    • Widespread – Evidence of increased ILI and lab confirmed influenza detection(s) together with outbreaks in schools, hospitals, residential institutions and/or other types of facilities occurring in greater than or equal to 50% of the health zone.

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    2014–2015 reports

    2013–2014 reports

    Summary reports