NOTE: We have transitioned into a new season (July 2023-June 2024) for reporting of COVID-19 and influenza. Due to small numbers at the start of this current season, a number of figures and graphs are unavailable.
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.
Data extracted up to 1:00 am on July 27, 2023
Next reporting date:
August 4, 2023
|
|
|||||||||||||
|
||||||||||||||
|
||||||||||||||
|
|
|
||||||||||||
|
||||||||||||||
|
|
|
||||||||||||
Important Notes
|
Figure 1. Weekly Cases of COVID-19 by Season, Manitoba, 2020 – 2024 (July through June)
Figure 2. Sex and Age Distribution of COVID-19 Cases, Manitoba, July 2, 2023 – July 22, 2023
Figure 3. Cases of COVID-19 by Health Region and Public Health Report Date, Manitoba, July 2, 2023 – July 22, 2023
Figure 4. Average Daily Testing Volume and Positivity (%) for COVID-19 by Week of Specimen Receiving Date, Manitoba, July 2, 2023 – July 22, 2023
Figure 5. Severe Outcomes of COVID-19 by Week of Outcome Date, Manitoba, July 2, 2023 – July 22, 2023
Note. ICU admissions are not included in the hospital admissions.
Figure 6. Weekly COVID-19 Outbreaks, Manitoba, 2020 – 2024
Note: All respiratory outbreaks include COVID-19 outbreaks, influenza outbreaks and the other respiratory outbreaks with known or unknown pathogens.
Table 1. Coverage of COVID-19 Vaccinations, Manitoba, July 22, 2023
Age group (years) | At least 1 dose | At least 2 doses | At least 1 dose within the last 6 months | At least 1 dose of Bivalent |
---|---|---|---|---|
.5-04 | 10.3% | 6.5% | 3.0% | 0.1% |
05-11 | 51.5% | 39.6% | 2.0% | 2.1% |
12-17 | 81.1% | 75.5% | 1.4% | 7.7% |
18-29 | 86.7% | 83.7% | 1.1% | 8.4% |
30-39 | 83.5% | 81.0% | 1.4% | 13.5% |
40-49 | 87.8% | 85.9% | 1.7% | 18.5% |
50-59 | 85.7% | 84.4% | 2.9% | 24.8% |
60-69 | >=95.0% | 94.0% | 7.4% | 44.8% |
70-79 | 102% | 101% | 15.0% | 62.6% |
80+ | >=95.0% | >=95.0% | 20.3% | 64.5% |
ALL | 80.6% | 77.4% | 4.2% | 21.7% |
For more information, please visit COVID-19 vaccination coverage in Canada - Canada.ca
Figure 7. Weekly Cases of Influenza by Season, Manitoba, 2019 – 2024 (July through June)
Table 2. Antiviral Susceptibility of Isolates by Influenza Type and Subtype, Canada, September 1, 2022 – July 22, 2023
Area | Strain | Resistant | Susceptible | Resistant | Susceptible |
---|---|---|---|---|---|
Canada | A(H3N2) | 0 | 376 | 0 | 376 |
A(H1N1) | 0 | 82 | 0 | 82 | |
B | 0 | 108 | 0 | 108 | |
Manitoba | A(H3N2) | 0 | 205 | 0 | 205 |
A(H1N1) | 0 | 44 | 0 | 44 | |
B | 0 | 35 | 0 | 35 |
Table 3. Strain Characterization of Influenza Isolates, Canada, September 1, 2022 – July 22, 2023
Strain | Canada | Manitoba |
---|---|---|
Influenza A (H3N2)/Darwin/6/2021-like | 400 | 223 |
Influenza A (H1N1)/Wisconsin/588/2019-like | 86 | 46 |
Influenza B/Austria/1359417/2021-like | 110 | 35 |
Notes: A/Darwin/6/2021-like virus is the H3N2 virus selected for the 2022/23 Northern Hemisphere Influenza vaccine. A/Wisconsin/588/2019-like virus is the recommmended H1N1 component for the 2022-2023 Northern Hemisphere influenza vaccine.
BackFigure 8. Average Daily Testing Volume and Positivity (%) for Influenza by Week of Specimen Receiving Date, Manitoba, July 2, 2023 – July 22, 2023
Figure 9. Number of Positive Respiratory Virus Tests by Week of Specimen Receiving Date, Manitoba, July 2, 2023 – July 22, 2023
Note. Other respiratory viruses include adenovirus, enterovirus/rhinovirus, human coronavirus (seasonal), human metapneumovirus and human parainfluenza virus.
BackFigure 10. Weekly Respiratory and Influenza Outbreaks, Manitoba, 2018 – July 22, 2023
Note: All respiratory outbreaks include COVID-19 outbreaks, influenza outbreaks and the other respiratory outbreaks with known or unknown pathogens.
Table 4. Coverage of Influenza Vaccinations, Manitoba, September 1, 2022 – July 22, 2023
Age group | Doses | Coverage percentage |
---|---|---|
0-4 | 17446 | 20.7% |
5-17 | 37424 | 16.1% |
18-49 | 96666 | 15.9% |
50-64 | 83330 | 32.1% |
65+ | 146554 | 60.3% |
All | 387677 | 27.1% |
Figure 11. Weekly FluWatchers Participants and Percentage Reporting Fever and Cough, Manitoba, 2019 – July 22, 2023
Figure 12. Weekly Percentage of ILI Related Visits to Sentinel Physicians, Manitoba, 2018 – July 22, 2023
Figure 13. Weekly Units of Antiviral Dispensed from Pharmacies, Manitoba, 2018 – July 22, 2023
Figure 14. Weekly Respiratory Visits to Emergency Department, Manitoba, 2017 – July 22, 2023