Flu Bulletin - 2017-18 - Week 01 | The Windsor-Essex County Health Unit

Data presented are for Week 01 (December 31st, 2017 to January 6th, 2018) and was extracted on January 10, 2018

Table 1. Assessment of Influenza activity in Windsor-Essex County for Week 01
Measure of activity	Assessment compared to previous week (Lower, Similar, Higher)	Reasoning
Laboratory-confirmed influenza cases	Higher	23 laboratory-confirmed influenza cases reported (17 sporadic and 6 outbreak cases)
Influenza outbreaks	Higher	Five new influenza outbreaks reported this week (all are Influenza B)
Influenza activity levels	Similar	Localized activity reported
ILI & Respiratory ED Visits	Similar	12% of all ED visits this week were due to ILI & Resp. syndrome. This signifies a 1.6% increase relative to the previous week.
Overall Assessment	Higher

**Table 2. Number of laboratory confirmed influenza cases reported in Windsor-Essex County: Week 01 & 2017-18 season⁺**
	Influenza A N (avg)	Influenza B N (avg)	All Types N (avg)
Week 01	5 (24)	18 (0)	23 (24)
Season	20 (60)	40 (0)	60 (60)

⁺Average of past five completed seasons reported in brackets

Table 3. Respiratory infection outbreaks in institutions: Week 01 and Total for the 2017-18 Influenza season
Aetiologic Agent/Organism	Week 01 (%)	Season (%)
Influenza A⁺	0 (0%)	3 (13%)
Influenza B⁺	5 (71%)	7 (30%)
Influenza A & B	0 (0%)	1 (4%)
Parainfluenza (all types)	0 (0%)	2 (9%)
No organism identified/unspecified	2 (29%)	10 (43%)
Total	7	23

⁺Includes combined outbreaks of Influenza and other microorganisms

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Flu Bulletin - 2017-18 - Week 01