InfectRisk

Respiratory illness in Austria

The three major respiratory pathogens side by side (influenza, COVID-19 and RSV) in Austria, based on ECDC ERVISS weekly data from AGES (Agentur für Gesundheit und Ernährungssicherheit).

Influenza: Low

Low

The source currently reports no meaningful activity (as of 16 Aug 2026).

Data window: Week 33 · Aug 10 – Aug 16 · Source: ECDC (weekly) · Source on seasonal break, next data from week 40

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View the last 8 weeks

In week 33 of 2026, Influenza activity in Austria is classified as low.

The source reports no meaningful activity across these weeks; a week-over-week percentage would be pure noise here.

The last 8 reported weeks

WeekRelativeLevelvs prior week
Week 33Low
Week 32Low
Week 31Low
Week 30Low
Week 29Low
Week 28Low
Week 27Low
Week 26Low

Across these weeks the source reports no meaningful activity, the values sit at the floor of its scale.

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Current activity

12-week trend · All three pathogens · Each curve on its own scale · Relative development
Week 22Week 25Week 28Week 30Week 33
Influenza
COVID-19
RSV
  • InfluenzaLow
    Trend: stable · Week 33
  • COVID-19Low
    Trend: falling · Week 33
  • RSVLow
    Trend: stable · Week 33

Situation by pathogen

Influenza, COVID-19 and RSV are all at low activity in Austria right now. This reads the weekly ECDC publications, most recently Week 33.

InfluenzaDetails

In week 33 of 2026, activity of influenza (seasonal flu) in Austria is low. The trend, derived from clinical surveillance, is stable.

COVID-19Details

In week 33 of 2026, activity of COVID-19 in Austria is low. The trend, derived from clinical surveillance, is falling. Activity has barely shifted over the past few weeks.

RSVDetails

In week 33 of 2026, activity of respiratory syncytial virus (RSV) in Austria is low. The trend, derived from clinical surveillance, is stable. Over a four-week comparison, a clear decline is visible.

Data, context and methodology

The current picture for Austria is built on the European Respiratory Virus Surveillance Summary (ERVISS), published weekly by the European Centre for Disease Prevention and Control (ECDC). AGES (Agentur für Gesundheit und Ernährungssicherheit) via its sentinel GP network and the Nationale Referenzzentrale für Influenza is the national public-health authority that feeds ERVISS with sentinel primary care and virology data.

ECDC ERVISS

ERVISS is ECDC's weekly pan-European surveillance summary for influenza, SARS-CoV-2 and RSV. National authorities, in Austria's case AGES (Agentur für Gesundheit und Ernährungssicherheit) via its sentinel GP network and the Nationale Referenzzentrale für Influenza, submit harmonised indicators every week, which ECDC publishes in a standardised dataset on Thursdays. Using ERVISS rather than each country's native portal ensures cross-country comparability.

ILI / ARI consultation rates and positivity

AGES (Agentur für Gesundheit und Ernährungssicherheit) via its sentinel GP network and the Nationale Referenzzentrale für Influenza operates a sentinel network of general practices that report weekly rates of patients consulting for influenza-like illness (ILI) or acute respiratory infection (ARI). A subset of patients is swabbed and tested by reference laboratories, producing pathogen-specific positivity rates for flu, SARS-CoV-2 and RSV.

Why this source

Combining consultation incidence with virological positivity yields a pathogen-specific weekly incidence signal (ILI × positivity / 100). This is the standard European methodology and provides a more robust view than either indicator alone: consultation rates capture illness burden, positivity confirms which pathogen is driving it.

Qualitative classification

The “low”, “moderate” and “high” categories follow seasonal reference values and epidemiological thresholds calibrated to match our classifications for other countries. The ILI × positivity / 100 product is scaled to comparable thresholds using a divisor of 3, which aligns European sentinel peaks with the consultation-equivalent scale used elsewhere. Data refreshes weekly when ECDC publishes the latest ERVISS update, typically on Thursdays.

Source and seasonal pattern by pathogen

Influenza
The classification is based on the ECDC ERVISS weekly reports, drawing on data from AGES (Agentur für Gesundheit und Ernährungssicherheit) via its sentinel GP network and the Nationale Referenzzentrale für Influenza. Seasonally, infection waves in Austria typically peak between January and March; activity is usually markedly lower during the summer months.
COVID-19
The classification is based on the ECDC ERVISS weekly reports, drawing on COVID-19 surveillance data from AGES (Agentur für Gesundheit und Ernährungssicherheit) via its sentinel GP network and the Nationale Referenzzentrale für Influenza. Seasonally, infection waves in Austria typically peak during winter, with occasional summer waves driven by new variants; activity is usually markedly lower in late spring between waves.
RSV
The classification is based on the ECDC ERVISS weekly reports, drawing on RSV surveillance data from AGES (Agentur für Gesundheit und Ernährungssicherheit) via its sentinel GP network and the Nationale Referenzzentrale für Influenza. Seasonally, infection waves in Austria typically peak between December and February; activity is usually markedly lower in spring and summer.

Frequently asked questions

How is overall respiratory-illness activity tracked in Austria?

AGES integrates sentinel GP consultations, laboratory positivity, hospital and ICU admissions for severe acute respiratory infection, and virological characterisation at the National Reference Centre into a weekly respiratory-virus picture covering flu, SARS-CoV-2, and RSV. The same indicators feed ECDC ERVISS. On infectrisk.com we condense this picture into a qualitative low/moderate/high classification.

Did Austria experience a “tripledemic”?

“Tripledemic” is a media label for the simultaneous winter circulation of flu, COVID-19, and RSV that was widely discussed from the 2022–2023 season onward. Austria saw clear co-circulation of all three pathogens that winter, with notable pressure on paediatric wards from RSV-driven bronchiolitis. Co-circulation has recurred each winter since, though the relative intensity of each pathogen varies.

Why do respiratory illnesses peak in an Austrian winter?

The drivers are consistent across continental Europe. Many respiratory viruses remain stable longer in cold, dry indoor air, and heated indoor environments reduce humidity in ways that weaken airway defence. People mix indoors more during Austrian winters, schools amplify transmission among children, and end-of-year gatherings accelerate spread. Immunity to seasonal strains is also typically at its lowest as exposure rises.

How does AGES decide that activity is “high”?

AGES uses thresholds derived from historical surveillance data. Current indicators (sentinel consultations, laboratory positivity, hospitalisation signals) are compared against baselines from past non-epidemic weeks and against reference points from severe past seasons. When several indicators cross into elevated ranges at the same time, weekly bulletins flag activity as widespread. Austria's ERVISS contribution uses the same framework for cross-country comparison.

How does Austria compare to Germany and Switzerland?

Austria's continental climate, school calendar, and indoor-contact patterns resemble Germany's and Switzerland's, and the three countries' winter respiratory curves typically move broadly in step. Because all report into ECDC ERVISS on the same schedule and methodology, the relative timing and intensity of their peaks is easy to read in the European dashboards. Lead–lag differences are usually a matter of weeks.

More situation reports

ECDC ERVISSECDC DataUpdated: Aug 31, 2026, 11:10
Published by Dominik Martin · Software engineer and data aggregator· Methodology last reviewed: 07 May 2026· Methodology version 1.2

Data last refreshed: Aug 31, 2026, 11:10. Update cadence: weekly.

This page is not medical advice and does not replace consultation with a healthcare professional. For specific symptoms, please contact a medical professional.

About this page

Published by Renderei Martin GmbH, Berlin. No commercial interest in individual health recommendations. The app is optionally monetised via a freemium subscription.

Content is based exclusively on the linked official surveillance publications. Medical statements are curated against the guidance of RKI, ECDC and WHO.

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