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Data presented are for surveillance Week 11 (March 8, 2020 to March 14, 2020) and was extracted on March 18, 2020. Data presented represent a snapshot of the information at the time of extraction and may differ from previous or subsequent reports.

Table 1. Summary of activity for current reporting week
Indicator Trend From Previous Week Current Week Previous Week Season
Number of lab-confirmed influenza cases Lower 7 11 170
      Influenza A - 7 11 118

      Influenza B

- 0 0 52
Number of influenza outbreaks in institutions Similar 0 0 11
      Influenza A - 0 0 11

      Influenza B

- 0 0 0

+Percent positivity of lab specimens tested for Influenza A (Erie St. Clair Region)

Lower

25.0%

(Week 9)

30.3%

(Week 8)

13.9%

+Percent positivity of lab specimens tested for Influenza B (Erie St. Clair Region)

Lower

2.6%

(Week 9)

5.6%

(Week 8)

4.9%

*Percent of emergency department visits due to influenza-like illness or respiratory syndrome

Higher 9.7% 8.3% 8.1%

+Includes Windsor-Essex, Chatham-Kent and Lambton. The values for percent positivity for the season are as of the end of the previous reporting week.

Influenza cases - 2019-20 Season - Week 11

Circulating strains - 2019-20 Season - Week 11

ED visits - 2019-20 Season - Week 11

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