According to the epidemiological report from EODY covering December 1–7, influenza activity is increasing in the community, while SARS-CoV-2 (COVID-19) cases remain stable.

Influenza-like Illness (ILI) – Regardless of Pathogen

• The number of ILI cases per 1,000 visits has increased compared to the previous week.

Severe Acute Respiratory Infection (SARI) – Regardless of Pathogen

• SARI cases per 1,000 visits remain low, showing a slight decrease from last week.

SARS-CoV-2 – COVID-19

• Positivity rates across all COVID-19 tests remained stable.
• There were 104 new hospital admissions, down from 131 the previous week.
• No new intubations were recorded.
• Seven new deaths were reported.

Influenza Virus

• Community flu positivity (via the Sentinel Primary Care network) is above the epidemic threshold, indicating the start of seasonal flu activity.
• Hospital SARI surveillance shows very low flu activity.
• Two new severe influenza cases required ICU hospitalization, with no new deaths from laboratory-confirmed flu.
• Retrospectively, one severe ICU case from last week was also reported.
• Over the last two months, 45 positive flu samples were detected from 1,377 tested samples, all type A.
  • Of the 40 type A subtyped viruses:
    • 22 were A(H1)pdm09
    • 18 were A(H3)
  • Phylogenetic analysis detected the K subclade of A(H3) in three samples.

ECDC Risk Assessment

• Risk for the general population from A(H3) K subclade is moderate, and high for high-risk groups.
• Vaccination remains the best preventive measure.
• High-risk individuals should seek medical care immediately if flu-like symptoms appear for timely antiviral treatment.

Respiratory Syncytial Virus (RSV)

• RSV positivity in both the community and hospital networks remains low, with only sporadic positive cases detected.

SEO Keywords: COVID-19 hospitalizations Greece, EODY weekly report, influenza rise Greece, SARI Greece, flu vaccination Greece, RSV surveillance, COVID-19 deaths Greece, seasonal flu 2025, Greek public health updates.