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Respiratory Virus Data

The respiratory virus data tool consists of surveillance dashboards and summary reports.

Respiratory virus data were updated on May 1, 2025. The next monthly update will be on June 5, 2025.


Key trends

May 1, 2025

Respiratory virus activity in BC

Reporting period:  April 20-26, 2025 (Epi-week 17) - Open the weekly summary as a PDF

The 2024/25 respiratory virus season has ended and reporting has moved to a spring-summer schedule. During this time, the Wastewater Surveillance dashboard will be updated weekly. The Facility Outbreaks dashboard will pause until fall. All other viral respiratory dashboards will be updated on the first Thursday of the month.

Influenza, RSV, and COVID-19 activity are at low levels.


Influenza

  • Influenza test positivity is at lower levels. Wastewater viral loads are decreasing and are low across BC.

RSV 

  • RSV test positivity continues to decrease and is at low levels. Wastewater viral loads continue to decrease and are low in most sites in BC. 

COVID-19

  • SARS-CoV-2 test positivity and wastewater viral loads are at low levels but are slowly increasing. Severe outcomes remain low and stable.

Health care visits

  • The proportions of emergency department and primary care visits for respiratory illness are at moderate levels.

National and international context

Influenza

  • In Canada, indicators of influenza activity decreased in the most recent reporting week.  
  • In the USA, seasonal influenza activity continues to decline. 
  • In the European Union/European Economic Area (EU/EEA), most reporting countries have returned to baseline or low levels of influenza intensity. 

RSV

  • In Canada, most indicators of RSV activity are stable.
  • In the USA, RSV activity continues to decline in most areas of the country.
  • In the EU/EEA, RSV activity remains elevated, as around one-third of reporting countries experienced a later season than usual. Some countries are still affected by ongoing RSV epidemics.

COVID-19

  • In Canada, most indicators of COVID-19 activity are stable at low levels. The percentage of tests positive for COVID-19 is stable at the lowest values ever recorded nationally.  
  • In the USA, COVID-19 activity continues to decline nationally.  
  • In the EU/EEA, SARS-CoV-2 activity remains low. 

Dashboards

Respiratory virus data reporting has shifted to a spring-summer reporting schedule.

The respiratory virus dashboards display data for circulating viruses including influenza, COVID-19, respiratory syncytial virus (RSV), enteroviruses/rhinoviruses, and others.

Updated weekly
Updated monthly
Paused until fall


Reports

 

Respiratory virus activity in BC: Weekly Summary

Special Reports

 

 

COVID-19 Situation Report

  • COVID-19 Situation Report Archive - This report is an archive of the data previously included in the COVID-19 Situation Report dashboard,  from January 1, 2020, to August 31, 2024.

Respiratory Epidemiological Summaries

Respiratory season surveillance reports summarize key insights for circulating viruses including influenza, COVID-19, respiratory syncytial virus (RSV), enteroviruses/rhinoviruses (ERV), and others.


Special Reports

 

    • The respiratory season report summarizes key insights from 28 August 2022 through to 22 April 2023. Following two years of relatively low non-COVID-19 respiratory illness activity in 2020/21 and 2021/22, the 2022/23 season is characterized by the return to seasonal respiratory virus co-circulation patterns, albeit with some atypical features.

  • Archived B.C. COVID-19 Data
    • Links to archived B.C. COVID-19 data including the B.C. COVID-19 Dashboard, maps, and PDF reports can continue to be accessed through the

 

About the Respiratory Diseases data platform

The Respiratory Diseases data platform combines surveillance for COVID-19, influenza and other respiratory pathogens in one platform to monitor trends throughout the respiratory season. The platform is made up of a series of interactive online data pages.

The last respiratory data update of the season was published on May 4, 2023. Updates on influenza and other respiratory pathogens will resume in the fall.

COVID-19 updates will continue monthly throughout the spring and summer.

Changes to COVID-19 data system: May 4, 2023

The British Columbia (BC) COVID-19 surveillance system was updated on May 4, 2023 to use infection episodes of COVID-19 to capture multiple COVID-19 infections in the same person. The update to the system will also capture all hospital and critical care admissions and deaths in a person with a positive lab test. This is a shift from using a system of using first positive lab result for surveillance.

For detailed information about the update to the surveillance system and impact of the changes, read the technical document: BC COVID-19 Surveillance System Update: Infection episode-based approach

National data 

 


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