This Friday, July 18, 2025, in view of the rising health and virological indicators for 3 weeks, the meeting has entered the epidemic influenza phase.
According to the last epidemiological point, we learn that the meeting officially passes in the epidemic phase of flu.
Emergency passages for a influenza motive increase over 5 consecutive weeks. Thus 226 passages were deducted in S28, 97 more passages than in S27. 30 new hospitalizations have been recorded, almost double the week 27. In S28, the share of activity in the emergency room for a reason of influenza syndrome continues to increase, being estimated at 5.3%.
With 52% of city medicine participation rate in S28 (data to be consolidated), acute respiratory infections (IRA) stabilized at a high level of activity for the sixth consecutive week. In S28, the share of activity was 4.8%. This was above the 2013-2024 average.
These indicators show a general increase in the circulation of respiratory viruses.
Virological surveillance from data from the CHU microbiology laboratory (CNR Associated respiratory virus, Reunion) identified a significant increase in the viral circulation of influenza viruses in S28 with 51 positive cases, a positivity rate of 22% against 13% in S27. The H3N2 type remained the dominant flu virus in week 28, representing 84% of patients tested. On the sidelines, a circulation of the H1N1 strain and the B virus are noted.
