Influenza surveillance in Alberta

Evidence of influenza in Alberta 2014–2015

Summary: Week 42, October 12–18, 2014

Low-level, sporadic influenza activity continues in Alberta. Four influenza A(H3) outbreaks have been reported to Alberta Health since week 35, all in long-term care facilities and supportive living sites. Influenza A(H3) is the predominant subtype to date.

South
  • Sporadic activity
  • Calgary
  • Sporadic activity
  • Central
  • No activity
  • Edmonton
  • Sporadic activity
  • North
  • Sporadic 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