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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illness” (ILI, defined as sudden onset of fever above 39°C, accompanied by myalgia and respiratory signs) has been replaced by “acute respiratory infections” (ARI, defined as sudden onset of fever or feeling of fever and respiratory signs).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 38 of the year 2022, from 09/19/2022 to 09/25/2022 :

Published on 09-28-2022 15:09 - These news are updated on wednesday

Download the last weekly report (2022w38) Subscribe to the weekly report Subscribe to rss

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

  Moderate activity in general practice

Previously on sentiweb            

ARI are caused by a variety of respiratory viruses including SARS-CoV-2 (Covid-19), influenza viruses, and other respiratory viruses such as RSV, rhinovirus, and metapneumovirus. The purpose of ARI surveillance is to monitor outbreaks of these viruses.
 
In mainland France, last week (2022w38), the incidence rate of ARI cases consulting in general practice was estimated at 127 cases per 100,000 inhabitants (95% CI [111 ; 143]). This rate is increasing compared to week 2022w37 (consolidated data: 93 [82 ; 104]).

At the regional level, the highest incidence rates were noted in: Grand Est (456 [254 ; 658]), Provence-Alpes-Côte d’Azur (236 [122 ; 350]) and Bretagne (188 [117 ; 259]). 

COVID-19: the incidence rate of Covid-19 cases with respiratory signs seen in general practice was estimated at 31 cases per 100,000 population (95% CI [25; 37]), corresponding to 20,693 [16,531; 24,855] new cases of Covid-19 with respiratory signs seen in general practice.

This rate has been slightly increasing compared to those in recent weeks (consolidated data for 2022w37: 28 [22; 34].
  Estimated weekly incidence rate Estimated weekly incidence
France 123 [110 ; 136] 81428 [72790 ; 90066]
Regions
Grand Est 144 [87 ; 201] 8166 [4947 ; 11385]
Nouvelle-Aquitaine 121 [75 ; 167] 7439 [4611 ; 10267]
Auvergne-Rhône-Alpes 85 [56 ; 114] 7022 [4655 ; 9389]
Bourgogne-Franche-Comté 186 [119 ; 253] 5368 [3453 ; 7283]
Bretagne 176 [112 ; 240] 6063 [3874 ; 8252]
Centre-Val de Loire 118 [57 ; 179] 3100 [1501 ; 4699]
Corse 205 [13 ; 397] 708 [45 ; 1371]
Ile-de-France 107 [80 ; 134] 13216 [9837 ; 16595]
Occitanie 86 [42 ; 130] 5231 [2548 ; 7914]
Hauts-de-France 99 [58 ; 140] 6047 [3571 ; 8523]
Normandie 123 [28 ; 218] 4182 [946 ; 7418]
Pays de la Loire 57 [20 ; 94] 2230 [803 ; 3657]
Provence-Alpes-Côte d'Azur 262 [168 ; 356] 13497 [8643 ; 18351]

Acute diarrhea   Définition

  Low activity in general practice

Previously on sentiweb            

The purpose of acute diarrhea surveillance is to monitor gastroenteritis outbreaks.

In mainland France, last week (2022w38), the incidence rate of acute diarrhea cases seen in general practice was estimated at 80 cases per 100,000 inhabitants (95% CI [67 ; 93]). This rate is stable compared to week 2022w37 (consolidated data: 76 [66 ; 86]) and at a level of activity below those usually observed in this period.

At the regional level, the highest incidence rates were noted in: Grand Est (162 [50 ; 274]), Hauts-de-France (119 [66 ; 172]), Nouvelle-Aquitaine (114 [65 ; 163]) and Provence-Alpes-Côte d’Azur (114 [37 ; 191])
  Estimated weekly incidence rate Estimated weekly incidence
France 72 [62 ; 82] 47819 [41082 ; 54556]
Regions
Grand Est 86 [42 ; 130] 4896 [2399 ; 7393]
Nouvelle-Aquitaine 120 [73 ; 167] 7370 [4511 ; 10229]
Auvergne-Rhône-Alpes 45 [25 ; 65] 3682 [2052 ; 5312]
Bourgogne-Franche-Comté 32 [6 ; 58] 924 [172 ; 1676]
Bretagne 58 [26 ; 90] 2010 [912 ; 3108]
Centre-Val de Loire 53 [18 ; 88] 1389 [466 ; 2312]
Corse 22 [0 ; 85] 75 [0 ; 294]
Ile-de-France 61 [39 ; 83] 7524 [4856 ; 10192]
Occitanie 78 [40 ; 116] 4728 [2441 ; 7015]
Hauts-de-France 99 [58 ; 140] 6039 [3548 ; 8530]
Normandie 35 [0 ; 88] 1190 [0 ; 2984]
Pays de la Loire 43 [10 ; 76] 1671 [369 ; 2973]
Provence-Alpes-Côte d'Azur 122 [50 ; 194] 6280 [2568 ; 9992]

Chickenpox   Définition

  Low activity in general practice

Previously on sentiweb            

In mainland France, last week (2022w38), the incidence rate of Chickenpox cases seen in general practice was estimated at 3 cases per 100,000 inhabitants (95% CI [0 ; 6]). This rate is stable compared to week 2022w37 (consolidated data: 3 CI [1 ; 5]) and at a level of activity below those usually observed in this period.

At the regional level, the highest incidence rates were noted in: Nouvelle-Aquitaine (7 [0 ; 20]), Provence-Alpes-Côte d’Azur (6 [0 ; 25]), Occitanie (6 [0 ; 18]) and Pays de la Loire (5 [0 ; 16]).
  Estimated weekly incidence rate Estimated weekly incidence
France 3 [1 ; 5] 1800 [427 ; 3173]
Regions
Grand Est 0 [0 ; 0] 0 [0 ; 0]
Nouvelle-Aquitaine 7 [0 ; 20] 416 [0 ; 1231]
Auvergne-Rhône-Alpes 2 [0 ; 6] 149 [0 ; 443]
Bourgogne-Franche-Comté 0 [0 ; 0] 0 [0 ; 0]
Bretagne 2 [0 ; 5] 62 [0 ; 166]
Centre-Val de Loire 0 [0 ; 0] 0 [0 ; 0]
Corse 0 [0 ; 0] 0 [0 ; 0]
Ile-de-France 0 [0 ; 1] 15 [0 ; 83]
Occitanie 5 [0 ; 15] 306 [0 ; 927]
Hauts-de-France 6 [0 ; 15] 356 [0 ; 894]
Normandie 0 [0 ; 0] 0 [0 ; 0]
Pays de la Loire 5 [0 ; 14] 179 [0 ; 544]
Provence-Alpes-Côte d'Azur 2 [0 ; 10] 124 [0 ; 546]

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