Provincial Respiratory Surveillance Report
COVID-19 and Seasonal Influenza
2023-2024 season
*seasons are defined as July 2, 2023 to June 29, 2024
This weekly report provides a current epidemiological update on the intensity and severity of respiratory activity in Manitoba including laboratory confirmed activity of both COVID-19 and seasonal influenza. Surveillance data include syndromic indicators, laboratory testing, associated hospitalization and mortality, and outbreaks. Updates around immunization coverage in COVID-19 and seasonal influenza are also included.
Data are reported with a one-week delay for increased data accuracy, completeness and reliability. More analyses continue to be conducted and will be added to this report as available. It is published online at approximately 10:00am every Friday.
Week 19 (May 5 – May 11, 2024)
About epidemiological week
Data extracted up to 1:00 am on May 16, 2024
Next reporting date: May 24, 2024
COVID-19 vaccination /
Seasonal Influenza vaccination
COVID-19
Cases
Figure 1. Weekly Cases of COVID-19 by Season, Manitoba, 2020 – 2024 (July through June)
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Figure 2. Sex and Age Distribution of COVID-19 Cases, Manitoba, July 2, 2023 – May 11, 2024
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Figure 3. Cases of COVID-19 by Health Region and Public Health Report Date, Manitoba, July 2, 2023 – May 11, 2024
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Testing
Figure 4. Average Daily Testing Volume and Positivity (%) for COVID-19 by Week of Specimen Receiving Date, Manitoba, July 2, 2023 – May 11, 2024
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Vaccination
Table 1. Fall COVID-19 Campaign Coverage (at least 1 dose) and Coverage in the Last Six Months by Age Group
|
Sep 1, 2022 - Feb 28, 2023
|
Sep 1, 2023 - May 11, 2024
|
2023 ( Last 6 months, up to May 11, 2024 )
|
Age group
|
Number Vaccinated
|
%Coverage
|
Number Vaccinated
|
%Coverage
|
Number Vaccinated
|
%Coverage
|
00-04
|
4990
|
5.9%
|
4181
|
5.0%
|
2878
|
3.4%
|
05-17
|
21655
|
9.3%
|
15003
|
6.5%
|
8243
|
3.5%
|
18-49
|
74658
|
12.3%
|
52751
|
8.7%
|
22847
|
3.8%
|
50-64
|
72049
|
27.7%
|
61359
|
23.6%
|
25585
|
9.8%
|
65+
|
142208
|
58.5%
|
134153
|
55.2%
|
57588
|
23.7%
|
All
|
320723
|
22.5%
|
269223
|
18.9%
|
120693
|
8.5%
|
About vaccination coverage
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Seasonal Influenza
Cases
Figure 5. Weekly Cases of Influenza by Season, Manitoba, 2019 – 2024 (July through June)
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Testing
Figure 6. Average Daily Testing Volume and Positivity (%) for Influenza by Week of Specimen Receiving Date, Manitoba, July 2, 2023 – May 11, 2024
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Figure 7. Number of Positive Respiratory Virus Tests by Week of Specimen Receiving Date, Manitoba, July 2, 2023 – May 11, 2024
Note. Other respiratory viruses include adenovirus, enterovirus/rhinovirus, human coronavirus (seasonal), human metapneumovirus and human parainfluenza virus.
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Outbreaks
Figure 8. Weekly Respiratory Outbreaks, Manitoba, July 12, 2020 – May 11, 2024
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Vaccinations
Table 2. Coverage of Influenza Vaccinations, Manitoba
|
Sep 1, 2022 - May 31, 2023
|
Sep 1, 2023 - May 11, 2024
|
Age group
|
Number Vaccinated
|
%Coverage
|
Number Vaccinated
|
%Coverage
|
0-4
|
17479
|
20.9%
|
14579
|
17.4%
|
5-17
|
37350
|
15.7%
|
31805
|
13.3%
|
18-49
|
95915
|
15.4%
|
89441
|
14.4%
|
50-64
|
83203
|
32.3%
|
78231
|
30.3%
|
65+
|
146402
|
58.9%
|
148530
|
59.8%
|
All
|
386588
|
26.7%
|
367164
|
25.3%
|
Note. Actual number of people vaccinated between September 1 and May 11, 2024 may be higher due to delays in reporting doses administered.
About vaccination coverage
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FluWatchers
Figure 9. Weekly FluWatchers Participants and Percentage Reporting Fever and Cough, Manitoba, 2019 – May 11, 2024
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Physician Visits
Figure 10. Weekly Percentage of ILI Related Visits to Sentinel Physicians, Manitoba, 2018 – May 11, 2024
Note. The total sentinel physicians reporting during week 47 has declined and the rates should be interpreted with caution.
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Antiviral
Figure 11. Weekly Units of Antiviral Dispensed from Pharmacies, Manitoba, 2018 – May 11, 2024
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ED Visits
Figure 12. Weekly Respiratory Visits to Emergency Department, Manitoba, 2017 – May 11, 2024
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