Bronchiolitis health indicators drop by 40% during the first week of January 2025, after 3 weeks at a high level. Emergency visits totaled 47 visits compared to 78 for the previous week. Hospitalizations are also down 42%. The share of activity due to bronchiolitis therefore drops by more than 5 points. We publish the press release below. (Photo: www.imazpress.com)
Acute respiratory infections and influenza viruses
Emergency visits for “flu syndrome” remain stable (Figure 1) with a limited health impact. In S01, emergencies totaled 27 visits for this reason versus 28 in S52.
The number of hospitalizations also remains stable with a total of 4 versus 6 hospitalizations for the previous week.
The share of emergency activity for a “flu syndrome” remains less than 1% of total activity. In community medicine, Acute Respiratory Infections (ARI) are stable with an activity share of 4.7% in S01 compared to 4.1% in S52.
The share of IRA activity is above the 2013-2023 average. However, this increase in the share of activity must be put into perspective due to a significant number of sentinel doctors absent due to leave.
Virological surveillance in S01 identifies very low intensity circulation of influenza viruses and co-circulation of type A(H1N1) pdm09 A(H3N2) viruses. The positivity rate increases moderately with 7.7% of tests positive for influenza viruses in W52 versus 6.2% in W52.
Bronchiolitis (in children under 2 years old)
Health indicators drop by 40% in S01 after 3 weeks at a high level. Emergency visits totaled 47 visits versus 78 for the previous week. Hospitalizations are also down 42% with 19 hospitalizations in S01 versus 33 in S52.
The share of activity for reasons of bronchiolitis drops by more than 5 points to 13% compared to 18.3% in W52. In view of the health context of declining indicators, Reunion Island is emerging from the pre-epidemic phase.
Acute gastroenteritis (AGE)
In S01, the number of visits to emergency departments of all ages for reasons of gastroenteritis decreases sharply. The number of passages is 59 in S01 versus 90 in S52, a drop of 34%. The number of hospitalizations remains stable with 8 hospitalizations in S01 compared to 10 in S52.
In children under 5 years old, the number of visits to the emergency room for reasons of gastroenteritis decreases by 38% with 24 visits in S01 versus 39 visits in S52. The number of hospitalizations after a visit to the emergency room remains stable with 3 hospitalizations as in S52.
In S01, the share of emergency activity among children under 5 years old for gastroenteritis decreases compared to the previous week (4.3% in S01 vs 5.8% in S52).
In community medicine, the share of activity for acute diarrhea is decreasing and remains below the average for the years 2013-2024.
COVID-19
In S01, emergency room consultations for COVID-19 reasons remain stable and at a very low level. In S01, 3 patients consulted the emergency room for COVID-19 versus 4 patients the previous week. A hospitalization for reasons of COVID-19 was notified in S01.
Virological surveillance implemented with virology data from the CHU microbiology laboratory (CNR Arbovirus Associated, CNR Respiratory Virus Associated, Reunion) shows a positivity rate (TP) of COVID-19 in S01 still very low.
In S01, only 6 tests were positive among 155 tests, i.e. a TP of 3.9% (versus 5 positive tests among 177 tests in S52, i.e., a TP of 2.8%).
All-cause mortality
In S51, the number of deaths observed for all ages and all causes is 101 people. Compared to the previous week, the number of deaths remains stable (n=103 in S50). The number of deaths observed in W51 was lower than the expected number of deaths (n=112).
Among those over 65, the number of deaths observed in W51 (n=71) was lower than the expected number of deaths (n=85) and stable than that observed in W50 (74 deaths observed).
Public health France, Health, Bronchiolitis, Covid-19, Acute gastroenteritis
