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Data presented are for surveillance Week 12 (March 15, 2020 to March 21, 2020) and was extracted on March 25, 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 Similar 7 7 179
      Influenza A - 6 7 126

      Influenza B

- 1 0 53
Number of influenza outbreaks in institutions Similar 1 0 12
      Influenza A - 1 0 12

      Influenza B

- 0 0 0

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

Similar

19.6%

(Week 11)

20.8%

(Week 10)

14.5%

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

Lower

0.0%

(Week 11)

6.9%

(Week 10)

4.8%

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

Higher 13.2% 9.7% 8.3%

+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 12

Circulating strains - 2019-20 Season - Week 12

ED visits - 2019-20 Season - Week 12

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