What's going around in Romania?
Influenza: Low, COVID-19: Moderate, RSV: Low
Some. Mostly COVID-19, currently moderate in Romania. Influenza and RSV: low (as of 4 Oct 2026).
Data window: Week 40 · Sep 28 – Oct 4 · Source: ECDC (weekly) · Next update Fri, Oct 16
Current activity
Source: ECDC ERVISS, ECDC Data. Published weekly, about one week behind.
Frequently asked questions
How is overall respiratory-illness activity tracked in Romania?
INSP integrates sentinel ARI consultations, laboratory positivity, hospital and ICU admissions for severe acute respiratory infection, and virological characterisation at the Cantacuzino Institute and regional laboratories 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 Romania 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. Romania 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 a Romanian winter?
The drivers are consistent across Eastern 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 Romanian 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 INSP decide that activity is “high”?
INSP uses thresholds derived from historical reference data. Current indicators (ARI 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 epidemic. Romania's ERVISS contribution uses the same framework for cross-country comparison.
How does Romania compare to Hungary and Bulgaria?
Romania's climate, school calendar, and indoor-contact patterns share much with Hungary and Bulgaria, 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.

