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Data presented are for Week 52 (December 23rd, 2018 to December 29th, 2018) and was extracted on January 2nd, 2018. 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 12 23 68
Number of influenza outbreaks in institutions Similar 0 0 0

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

N/A

N/A

(Week 51)

31%

(Week 50)

11%#

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

N/A

N/A

(Week 51)

0%

(Week 50)

0%#

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

Higher 14% 9% 7%

+Includes Windsor-Essex, Chatham-Kent and Lambton. For the trend comparison, the previous week is compared to the week prior (i.e. if the reporting week is 45, week 44 is compared to week 43). The values for percent positivity for the season are as of the end of the previous reporting week.

*Historical values are displayed in the last figure (see below).

#Percent positivity information is only up-to Week 50, as Week 51 data was not available at the time of data extraction.

Table 2. Number of lab-confirmed influenza cases for report week and season
Causative Agent

Current Week

(N)

Current Week

(%)

Season

(N)

Season

(%)

Influenza A 12 100% 68 100%

Influenza B

0 0% 0 0%

Influenza A & B

0 0% 0 0%
Total 12 100% 68 100%
Table 3. Outbreaks of influenza in institutions

Causative Agent

Current Week

(N)

Current Week

(%)

Season

(N)

Season

(%)

Influenza A+ 0 0% 0 0%
Influenza B+ 0 0% 0 0%
Influenza A & B 0 0% 0 0%
Total 0 - 0 -

+Includes combined outbreaks of Influenza and other microorganisms. 

Influenza cases - 2018-19 - Week 52

Circulating strains - 2018-19 - Week 52

ED visits - 2018-19 - Week 52

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