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Acute respiratory infections (influenza, bronchiolitis, COVID-19). Bulletin of December 26, 2024.
Published on December 26, 2024
Updated on December 26, 2024
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Key points
Acute respiratory infections (ARI)
PDF 2.89 MB
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Excerpt form the PDF link:
...
Situation update
In week 51, activity related to acute respiratory infections was significantly increasing in community medicine and in hospitals in all age groups. Hospitalizations after visits to the emergency room were particularly frequent among those aged 65 and over (58% of hospitalizations for acute respiratory infections) and those under 5 (23% of hospitalizations).
In mainland France, all influenza indicators increased sharply in week 51 in all age groups. The A(H1N1)pdm09 and B/Victoria viruses continued to co-circulate. Children under 15 were the most affected in the community and in hospitals, but a marked increase in visits to the emergency room and hospitalizations among people aged 65 and over was observed. In addition, the number of grouped cases attributed to influenza since week 49 was increasing in ESMS. Finally, the proportion of deaths with a mention of influenza among electronically certified deaths increased significantly in S51 (2% vs. 0.9% in S50). All of these indicators reveal an increasing circulation of influenza viruses within the general population, particularly affecting older people, who are particularly vulnerable to influenza.
A decrease in syndromic indicators of bronchiolitis was observed in the community and in hospitals in S51. These elements support the passage of the epidemic peak this week, which will be confirmed in the coming weeks. The epidemic continues to follow a similar dynamic to those of the epidemics preceding the COVID-19 pandemic, with an intensity at a low level compared to these previous epidemics. The RSV (respiratory syncytial virus) positivity rate began to decrease in hospitals, but increased in community medicine. In mainland France, all regions are in an epidemic except Corsica, which became pre-epidemic in W51. In the DROMs, Réunion has been in a pre-epidemic since W50, Guadeloupe and Martinique in an epidemic since W43 and Guyana in an epidemic since the end of July (W31). In Mayotte, the bronchiolitis epidemic began in W49 and was ongoing when Cyclone Chido passed through.
Concerning COVID-19, syndromic indicators remained generally stable in the city and in the hospital compared to the previous week. The positivity rate for SARS-CoV-2 among samples tested in city laboratories and taken by doctors in the city decreased in W51 compared to the previous week, but increased in the hospital. The number of new episodes of ARI in medico-social establishments (EMS) increased in week 50, a trend mainly driven by the increase in episodes related to influenza and RSV. These data have not yet been consolidated.
...
Acute respiratory infections (influenza, bronchiolitis, COVID-19). Bulletin of December 26, 2024.
Published on December 26, 2024
Updated on December 26, 2024
Print Share
Key points
Acute respiratory infections (ARI)
- Increased activity in town and in hospital in all age groups.
- Sharp increase in all influenza indicators in the city and in hospitals, in all age groups. All regions in epidemic in mainland France. Pre-epidemic in Martinique.
- Decrease in the majority of indicators. Continuation of the epidemic in twelve regions of mainland France, the Antilles, Guyana and Mayotte. Pre-epidemic in Corsica and Reunion.
- Activity generally stable at low levels.
PDF 2.89 MB
------------------
Excerpt form the PDF link:
...
Situation update
In week 51, activity related to acute respiratory infections was significantly increasing in community medicine and in hospitals in all age groups. Hospitalizations after visits to the emergency room were particularly frequent among those aged 65 and over (58% of hospitalizations for acute respiratory infections) and those under 5 (23% of hospitalizations).
In mainland France, all influenza indicators increased sharply in week 51 in all age groups. The A(H1N1)pdm09 and B/Victoria viruses continued to co-circulate. Children under 15 were the most affected in the community and in hospitals, but a marked increase in visits to the emergency room and hospitalizations among people aged 65 and over was observed. In addition, the number of grouped cases attributed to influenza since week 49 was increasing in ESMS. Finally, the proportion of deaths with a mention of influenza among electronically certified deaths increased significantly in S51 (2% vs. 0.9% in S50). All of these indicators reveal an increasing circulation of influenza viruses within the general population, particularly affecting older people, who are particularly vulnerable to influenza.
A decrease in syndromic indicators of bronchiolitis was observed in the community and in hospitals in S51. These elements support the passage of the epidemic peak this week, which will be confirmed in the coming weeks. The epidemic continues to follow a similar dynamic to those of the epidemics preceding the COVID-19 pandemic, with an intensity at a low level compared to these previous epidemics. The RSV (respiratory syncytial virus) positivity rate began to decrease in hospitals, but increased in community medicine. In mainland France, all regions are in an epidemic except Corsica, which became pre-epidemic in W51. In the DROMs, Réunion has been in a pre-epidemic since W50, Guadeloupe and Martinique in an epidemic since W43 and Guyana in an epidemic since the end of July (W31). In Mayotte, the bronchiolitis epidemic began in W49 and was ongoing when Cyclone Chido passed through.
Concerning COVID-19, syndromic indicators remained generally stable in the city and in the hospital compared to the previous week. The positivity rate for SARS-CoV-2 among samples tested in city laboratories and taken by doctors in the city decreased in W51 compared to the previous week, but increased in the hospital. The number of new episodes of ARI in medico-social establishments (EMS) increased in week 50, a trend mainly driven by the increase in episodes related to influenza and RSV. These data have not yet been consolidated.
...