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Data presented are for Week 02 (January 7th, 2018 to January 13th, 2018) and was extracted on January 17, 2018. Data presented represent a snap shot at the time of extraction and may differ from previous or subsequent reports. 

Table 1. Assessment of Influenza activity in Windsor-Essex County for Week 02
Measure of activity Assessment compared to previous week (Lower, Similar, Higher) Reasoning
Laboratory-confirmed influenza cases Higher

39 laboratory-confirmed influenza cases reported (20 sporadic and 19 outbreak cases)

Influenza outbreaks Similar Four new influenza outbreaks reported this week (three are Influenza B)
Influenza activity levels Similar Localized activity reported
ILI & Respiratory ED Visits Lower 9% of all ED visits this week were due to ILI & Resp. syndrome. This signifies a 28% decrease relative to the previous week.
Overall Assessment Similar  

Table 2. Number of laboratory confirmed influenza cases reported in Windsor-Essex County: Week 02 & 2017-18 season+
 

Influenza A

N (avg)

Influenza B

N (avg)

Influenza A & B

N (avg)

All Types

N (avg)

Week 02 11 (18)

28 (1)

0 (0) 39 (19)
Season 30 (78) 56 (1) 0 (0) 86 (79)

+Average of past five completed seasons reported in brackets. Case counts for this season are not comparable to past seasons due to changes in testing practices, resulting in fewer individuals being tested for Influenza. Please see here.


Table 3. Respiratory infection outbreaks in institutions: Week 02 and Total for the 2017-18 Influenza season
Aetiologic Agent/Organism Week 02 (%) Season (%)
Influenza A+ 0 (0%) 4 (14%)
Influenza B+ 3 (50%) 11 (38%)
Influenza A & B 1 (17%) 2 (7%)
Parainfluenza (all types) 0 (0%) 2 (7%)
No organism identified/unspecified 2 (33%) 10 (34%)
Total 6 29

+Includes combined outbreaks of Influenza and other microorganisms. 


Flu Bulletin - 2017-18 - Week 02 - Figure 1

Chart: