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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illness” (ILI, defined as sudden onset of fever above 39°C, accompanied by myalgia and respiratory signs) has been replaced by “acute respiratory infections” (ARI, defined as sudden onset of fever or feeling of fever and respiratory signs).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 19 of the year 2022, from 05/09/2022 to 05/15/2022 :

Published on 05-18-2022 16:05 - These news are updated on wednesday

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

  Low 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 influenza, COVID-19 and other seasonal respiratory viruses (RSV, rhinovirus and metapneumovirus).

In mainland France, last week (2022w19), the incidence rate of ARI cases consulting in general practice was estimated at 73 cases per 100,000 inhabitants (95% CI [62 ; 84]). This rate is decreasing compared to week 2022w18 (consolidated data: 95  [84 ; 106]).

At the regional level, the highest incidence rates were noted in: Hauts-de-France (132 [68 ; 196]), Provence-Alpes-Côte d’Azur (122 [63 ; 181]) and Normandie (100 [31 ; 169]). 

COVID-19: continued decrease in the incidence of ARI due to COVID-19 seen in general practice

INFLUENZA: continued decrease in the incidence of influenza-like illnesses seen in general practice

Other respiratory viruses: low circulation of RSV, metapneumovirus and rhinovirus
  Estimated weekly incidence rate Estimated weekly incidence
France 73 [62 ; 84] 48701 [41248 ; 56154]
Regions
Grand Est 62 [29 ; 95] 3494 [1611 ; 5377]
Nouvelle-Aquitaine 94 [50 ; 138] 5809 [3112 ; 8506]
Auvergne-Rhône-Alpes 52 [27 ; 77] 4250 [2234 ; 6266]
Bourgogne-Franche-Comté 49 [9 ; 89] 1420 [258 ; 2582]
Bretagne 66 [24 ; 108] 2288 [845 ; 3731]
Centre-Val de Loire 63 [28 ; 98] 1671 [748 ; 2594]
Corse 1 [0 ; 9] 4 [0 ; 31]
Ile-de-France 66 [37 ; 95] 8159 [4624 ; 11694]
Occitanie 32 [9 ; 55] 1910 [509 ; 3311]
Hauts-de-France 132 [68 ; 196] 8046 [4145 ; 11947]
Normandie 100 [31 ; 169] 3402 [1066 ; 5738]
Pays de la Loire 33 [9 ; 57] 1305 [381 ; 2229]
Provence-Alpes-Côte d'Azur 122 [63 ; 181] 6297 [3248 ; 9346]

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 (2022w19), the incidence rate of acute diarrhea cases seen in general practice was estimated at 61 cases per 100,000 inhabitants (95% CI [48 ; 74]). This rate is stable compared to week 2022w18 (consolidated data: 63 [53 ; 73]) and at a lower level of activity than those usually observed during this period.
 
  Estimated weekly incidence rate Estimated weekly incidence
France 61 [48 ; 74] 40514 [32068 ; 48960]
Regions
Grand Est 49 [16 ; 82] 2769 [888 ; 4650]
Nouvelle-Aquitaine 44 [16 ; 72] 2728 [1004 ; 4452]
Auvergne-Rhône-Alpes 60 [33 ; 87] 4904 [2703 ; 7105]
Bourgogne-Franche-Comté 21 [0 ; 45] 602 [0 ; 1287]
Bretagne 89 [32 ; 146] 3078 [1101 ; 5055]
Centre-Val de Loire 50 [17 ; 83] 1324 [451 ; 2197]
Corse 47 [0 ; 110] 162 [0 ; 381]
Ile-de-France 32 [15 ; 49] 3943 [1813 ; 6073]
Occitanie 39 [13 ; 65] 2362 [768 ; 3956]
Hauts-de-France 108 [61 ; 155] 6561 [3696 ; 9426]
Normandie 46 [1 ; 91] 1578 [66 ; 3090]
Pays de la Loire 47 [10 ; 84] 1845 [419 ; 3271]
Provence-Alpes-Côte d'Azur 70 [20 ; 120] 3585 [1026 ; 6144]

Chickenpox   Définition

  Moderate activity in general practice

Previously on sentiweb            

In mainland France, last week (2022w19), the incidence rate of Chickenpox cases seen in general practice was estimated at 29 cases per 100,000 inhabitants (95% CI [22 ; 36]). This rate is stable compared to week 2022w18 (consolidated data: 27 [21 ; 33]) and at level of activity close to those usually observed during this period.

At the regional level, the highest incidence rates were noted in: Bretagne (129 [48 ; 210]), Bourgogne-Franche-Comté (49 [11 ; 87]) and Nouvelle-Aquitaine (45 [1 ; 89]).
  Estimated weekly incidence rate Estimated weekly incidence
France 29 [22 ; 36] 19442 [14533 ; 24351]
Regions
Grand Est 21 [1 ; 41] 1177 [31 ; 2323]
Nouvelle-Aquitaine 45 [1 ; 89] 2748 [60 ; 5436]
Auvergne-Rhône-Alpes 25 [7 ; 43] 2072 [626 ; 3518]
Bourgogne-Franche-Comté 49 [11 ; 87] 1417 [311 ; 2523]
Bretagne 129 [48 ; 210] 4433 [1651 ; 7215]
Centre-Val de Loire 9 [0 ; 21] 224 [0 ; 542]
Corse 0 [0 ; 0] 0 [0 ; 0]
Ile-de-France 38 [15 ; 61] 4691 [1869 ; 7513]
Occitanie 8 [0 ; 22] 468 [0 ; 1289]
Hauts-de-France 23 [2 ; 44] 1411 [118 ; 2704]
Normandie 0 [0 ; 0] 0 [0 ; 0]
Pays de la Loire 36 [0 ; 73] 1393 [0 ; 2846]
Provence-Alpes-Côte d'Azur 30 [2 ; 58] 1543 [74 ; 3012]