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Warning

COVID-19 and Influenza Surveillance : role of the Sentinelles network

In March 2020, following the emergence of SARS-CoV-2 (COVID-19), the “Sentinelles surveillance” evolved. The surveillance of  “influenza-like illness” (ILI, defined as sudden onset of fever above 39°C, accompanied by myalgia and respiratory signs) has been replaced by “acute respiratory infections” (ARI, defined as sudden onset of fever or feeling of fever and respiratory signs). This new surveillance enables both the monitoring of the COVID-19 pandemic and epidemics due to other respiratory viruses (influenza, respiratory syncytial virus, rhinovirus and metapneumovirus), based on patients consulting a general practitioner for an ARI. This surveillance is carried out with “Santé publique France” (the national agency for public health), the National Reference Center for respiratory infections (“Institut Pasteur” and “Hospices Civils de Lyon”) and the University of Corsica.

Data from the Sentinelles network are integrated into the overall national COVID-19 surveillance coordinated by “Santé publique France”. For more information, you can consult the weekly COVID-19 and influenza newsletters from “Santé publique France”. 

At the same time, the Sentinelles network is leading studies and research works on the COVID-19 presented in the “COVID-19” section of this website.

Observed situation in France for the week 30 of the year 2021, from 07/26/2021 to 08/01/2021 :

Published on 08-04-2021 15:08 - These news are updated on wednesday

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Acute Respiratory Infection (ARI) (COVID-19, Influenza and other respiratory viruses)   Définition

  Stable activity in general practice

Previously on sentiweb            

The objective of ARI surveillance is to monitor epidemics of COVID-19, INFLUENZA as well as those due to other seasonal respiratory viruses (RSV, rhinovirus and metapneumovirus).

In metropolitan France, last week (2021w30), the incidence rate of ARI consultating (or teleconsulting) in general practice was estimated at 56 cases per 100,000 inhabitants (95% CI [44 ; 68]). This rate is stable compared to week 2021w29 (consolidated data: 51 [42 ; 60]).

At the regional level, the highest incidence rates were noted in: Provence-Alpes-Côte d’Azur (135 [45 ; 225]), Corse (90 [0 ; 182]) and Bretagne (78 [14 ; 142]). 

COVID-19 monitoring: Last week (2021w30), the SARS-CoV-2 positivity rate of patients consulting for ARI was 0%, 38% and 22%, respectively in the 0-14, 15-64, and 65 and older age groups.
The incidence rate of ARI cases due to SARS-CoV-2 (COVID-19) seen in general practice was estimated at 19 cases per 100,000 population (95% CI [14; 24]), corresponding to 12,376 [8,960; 15,792] new cases of COVID-19 seen in general practice. This rate is increasing compared to those in recent weeks (consolidated data for 2021w29 : 14 [10; 18]). This represents 9,380 [6,866; 11,894] new cases of ARI due to COVID-19 seen in general practice).
  Estimated weekly incidence rate Estimated weekly incidence
France 56 [44 ; 68] 36822 [28926 ; 44718]
Regions
Grand Est 64 [25 ; 103] 3594 [1362 ; 5826]
Nouvelle-Aquitaine 63 [29 ; 97] 3861 [1781 ; 5941]
Auvergne-Rhône-Alpes 50 [16 ; 84] 4045 [1266 ; 6824]
Bourgogne-Franche-Comté 8 [0 ; 20] 240 [0 ; 573]
Bretagne 78 [14 ; 142] 2668 [471 ; 4865]
Centre-Val de Loire 7 [0 ; 18] 188 [0 ; 469]
Corse 90 [0 ; 182] 308 [0 ; 623]
Ile-de-France 52 [26 ; 78] 6449 [3216 ; 9682]
Occitanie 57 [20 ; 94] 3410 [1169 ; 5651]
Hauts-de-France 10 [0 ; 30] 627 [0 ; 1856]
Normandie 34 [8 ; 60] 1158 [268 ; 2048]
Pays de la Loire 7 [0 ; 18] 273 [0 ; 702]
Provence-Alpes-Côte d'Azur 135 [45 ; 225] 6940 [2318 ; 11562]

Acute diarrhea   Définition

  Low activity in general practice

Previously on sentiweb            

 
In metropolitan France, last week (2021w30), the incidence rate of acute diarrhea seen in general practice was estimated at 92 cases per 100,000 inhabitants (95% CI [67 ; 117]). This rate is increasing compared to week 2021w29 (consolidated data: 64 [53 ; 75]) with a similar activity level compared to those usually observed in this period.

At the regional level, the highest incidence rates were noted in: Normandie (123 [18 ; 228]), Provence-Alpes-Côte d’Azur (113 [20 ; 206]), Auvergne-Rhône-Alpes (93 [32 ; 154]) and Pays de la Loire (93 [34 ; 152]).
  Estimated weekly incidence rate Estimated weekly incidence
France 92 [67 ; 117] 61073 [44738 ; 77408]
Regions
Grand Est 66 [27 ; 105] 3724 [1507 ; 5941]
Nouvelle-Aquitaine 64 [29 ; 99] 3944 [1779 ; 6109]
Auvergne-Rhône-Alpes 93 [32 ; 154] 7622 [2678 ; 12566]
Bourgogne-Franche-Comté 59 [1 ; 117] 1714 [35 ; 3393]
Bretagne 62 [15 ; 109] 2111 [487 ; 3735]
Centre-Val de Loire 38 [12 ; 64] 1002 [327 ; 1677]
Corse 0 [0 ; 0] 0 [0 ; 0]
Ile-de-France 47 [25 ; 69] 5792 [3127 ; 8457]
Occitanie 25 [2 ; 48] 1521 [122 ; 2920]
Hauts-de-France 90 [34 ; 146] 5502 [2115 ; 8889]
Normandie 123 [18 ; 228] 4174 [608 ; 7740]
Pays de la Loire 93 [34 ; 152] 3592 [1293 ; 5891]
Provence-Alpes-Côte d'Azur 113 [20 ; 206] 5783 [1001 ; 10565]

Chickenpox   Définition

  Low activity in general practice

Previously on sentiweb            

 
In metropolitan France, last week (2021w30), the incidence rate of Chickenpox seen in general practice was estimated at 10 cases per 100,000 inhabitants (95% CI [5 ; 15]). This rate is stable compared to week 2021w29 (consolidated data: 10 [6 ; 14]) and with a low activity level compared to those usually observed in this period.

At the regional level, the highest incidence rates were noted in: Grand Est (66 [15 ; 117]), Bretagne (18 [0 ; 48]) and Bourgogne-Franche-Comté (13 [0 ; 43]).
  Estimated weekly incidence rate Estimated weekly incidence
France 10 [5 ; 15] 6726 [3425 ; 10027]
Regions
Grand Est 66 [15 ; 117] 3731 [866 ; 6596]
Nouvelle-Aquitaine 6 [0 ; 16] 389 [0 ; 1030]
Auvergne-Rhône-Alpes 9 [0 ; 22] 697 [0 ; 1736]
Bourgogne-Franche-Comté 13 [0 ; 43] 376 [0 ; 1240]
Bretagne 18 [0 ; 48] 610 [0 ; 1635]
Centre-Val de Loire 0 [0 ; 0] 0 [0 ; 0]
Corse 0 [0 ; 0] 0 [0 ; 0]
Ile-de-France 2 [0 ; 6] 225 [0 ; 685]
Occitanie 0 [0 ; 0] 0 [0 ; 0]
Hauts-de-France 7 [0 ; 23] 429 [0 ; 1424]
Normandie 0 [0 ; 0] 0 [0 ; 0]
Pays de la Loire 2 [0 ; 8] 70 [0 ; 287]
Provence-Alpes-Côte d'Azur 7 [0 ; 26] 384 [0 ; 1355]

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