Key trends
Weekly summary – July 2, 2026
Reporting period: May 31 – June 27, 2026 (Epi-weeks 22-25) - Open the weekly summary as a PDF.
With the end of the 2025/26 respiratory virus season, reporting has shifted to a
spring–summer schedule. During this period, the Wastewater Surveillance dashboard will continue to be updated weekly. Updates to the Facility Outbreaks dashboard will be paused until fall. All other respiratory virus dashboards will be updated on the first Thursday of each month.
Current respiratory activity is measured in consideration of recent past respiratory seasons.
- Influenza B test positivity has decreased over the past month and is low. Influenza A test positivity remains low. Wastewater levels for influenza B have decreased over the past month and are low in most sites. Influenza A levels in wastewater remain low.
- RSV test positivity remains low. Wastewater levels are stable and low.
- SARS-CoV-2 test positivity remains low. Wastewater levels are stable and low in most sites. Severe outcomes remain low.
- The proportions of emergency department and primary care visits for respiratory illness continue to decrease and are at low levels
- In Canada, most indicators of influenza activity were stable at inter-seasonal levels in the most recent reporting week
- In the USA, seasonal influenza activity is low
- In the European Union/European Economic Area (EU/EEA), influenza activity is at inter-seasonal levels
- In Canada, indicators of RSV activity were stable at inter-seasonal levels in the most recent reporting week
- In the USA, RSV activity is low in most areas of the country
- In the EU/EEA, RSV activity is at inter-seasonal levels
- In Canada, indicators of COVID-19 activity were stable at or near the lowest levels recorded this season in the most recent reporting week
- In the USA, COVID-19 activity is low in most areas of the country
- In the EU/EEA, SARS-CoV-2 activity in all age groups in primary and secondary care remains low