Viruses detected in sentinel-source specimens (ILI and ARI)
For week 02/2021, of 928 sentinel specimens tested for influenza viruses, 1 (0.1%) was positive. Since the start of the season, of 12 263 sentinel-source specimens that have been tested for influenza viruses, 9 were positive: 2 type A and 7 type B viruses.
- Details of the distribution of viruses detected in non-sentinel-source specimens can be found in the Virus characteristics section.
External data sources
Influenzanet collects weekly data on symptoms in the general community from different participating countries across the EU/EEA. For week 02/2021, data reported from 8 countries representing between 59 and 8 163 active participants were included, for a total of 27 877 participants.
- ILI activity: Denmark, Germany, Italy, Spain, Switzerland and UK have reported between 0 and 5 cases per 1 000 active participants, France and Portugal have reported between 5 and 10 cases per 1 000 active participants. Activity is low (below the first quartile of historic data for this week).
- COVID-19 activity: Italy and Switzerland have reported between 10 and 15 possible cases per 1 000 weekly participants, Portugal has reported between 15 and 20 possible cases per 1 000 weekly participants, France has reported between 20 and 25 possible cases per 1 000 weekly participants, UK has reported between 30 and 35 possible cases per 1 000 weekly participants and Spain has reported between 55 and 60 possible cases per 1 000 weekly participants.