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Semaine / Week 11 (09/02/2020 – 15/03/2020)

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Semaine / Week 11 (09/02/2020 – 15/03/2020) INFECTIOUS DISEASES IN HUMANS - VIRAL DISEASES – NRC INFLUENZA EPIDEMIOLOGY AND PUBLIC HEALTH - EPIDEMIOLOGY OF INFECTIOUS DISEASES W EKELIJKS I NFLUENZA BULLETIN B ULLETIN HEBDOMADAIRE I NFLUENZA W EEKLY I NFLUENZA BULLETIN Semaine / week 11 (09/02/2020 – 15/03/2020) 1 Sciensano Epidemiology and public health - Epidemiology of infectious diseases Infectious diseases in humans - Viral diseases – NRC Influenza Met de financiële steun van Contact Persons: Epidemiological data: Nathalie Bossuyt • [email protected] Dieter Van Cauteren • [email protected] Natalia Bustos Sierra • [email protected] (Mortality) Virological data: Isabelle Thomas • [email protected] Cyril Barbezange • [email protected] Report number: ISSN 2593-4309 Available on: https://epidemio.wiv-isp.be/ID/diseases/Pages/Influenza.aspx 2 OVERZICHT WEEK 11 R ÉSUMÉ SEMAINE 11 OVERVIEW WEEK 11 In de afgelopen week steeg de to- La semaine passée, l’incidence de Last week, the incidence of visits to tale incidentie van raadplegingen consultations chez le médecin géné- the general practitioner for influ- voor griepaal syndroom tot 448 raliste pour syndrome grippal a aug- enza like illness increased to 448 raadplegingen per 100.000 inwo- menté jusqu’à 448 consultations consultations per 100,000 inhabit- ners (inclusief telefonische raadple- pour 100.000 habitants (consulta- ants (including contact by phone). gingen). De incidentie stijgt in alle tions téléphoniques inclus). L’inci- The incidence increases in all age leeftijdsgroepen in Wallonië en dence augmente dans chaque groups in the Walloon and Brussels Brussel en bij kinderen in Vlaande- tranche d’âge en Wallonie et chez Region and among children in the ren. les enfants en Flandre. Flemish Region. In de afgelopen week waren 39% La semaine passée, 39% des échan- In the past week, 39% of the res- van de respiratoire stalen verza- tillons respiratoires recoltés par les piratory samples collected by the meld door de peilpraktijken positief médecins vigies étaient positifs sentinel general practitioners voor het griepvirus. Het betrof zo- pour influenza. Il s'agissait des virus tested positive for influenza. These wel influenza A als influenza B virus- influenza A et influenza B. were both influenza A and influenza sen.. B viruses. Vorige week werd bij 42% van de La semaine passée, 42% des pa- Last week, in 42% of patients voor een acute luchtweginfectie op- tients admis pour une infection res- admitted for acute respiratory genomen patiënten een influenza piratoire aigue étaient atteints infection an influenza infection was infectie gevonden. d’une infection à influenza. detected. Het aantal ziekenhuisopnames voor Le nombre d’hospitalisations pour The number of hospital admissions griep met bepaalde ernstige verwik- la grippe avec certaines complica- for flu with certain severe kelingen zoals ARDS (acuut respira- tions sévères tels que le ARDS (in- complications such as ARDS (acute toir falen) is iets hoger in vergelij- suffisance respiratoire aigue) est lé- respiratory failure) is slightly higher king met vorige jaren. gèrement plus élevé que les années compared to previous years. précédentes. Vaccinatie tegen griep wordt aanbevolen voor mensen met een risico en voor gezondheidspersoneel. U kunt de nationale aanbeveling consulteren via deze link: https://www.health.belgium.be/sites/default/files/uploads/fields/fpshealth_theme_file/advies_9531_seizoensgriep_2019- 2020_1.pdf La vaccination contre la grippe est recommandée pour les personnes à risque et le personnel de santé. Vous pouvez consulter les recommandations nationales en suivant ce lien : https://www.health.belgium.be/sites/default/files/uploads/fields/fpshealth_theme_file/avis_9531_vaccina- tion_grippe_2019-2020_1.pdf The vaccination against flu is recommended to person with risk and health professionals. You can consult Belgian recommen- dations by following this link (in French): https://www.health.belgium.be/sites/default/files/uploads/fields/fpshealth_theme_file/avis_9531_vaccina- tion_grippe_2019-2020_1.pdf 3 EPISODES VAN GRIEPALE EPISODES DE S YNDROME EPISODES OF FLU-LIKE S YNDROMEN GRIPPAL S YNDROME Klinische surveillance door Surveillance clinique par les Clinical surveillance by the de huisartsen peilpraktijken médecins vigies sentinel GPs In de afgelopen week steeg de to- La semaine passée, l’incidence de Last week, the incidence of visits to tale incidentie van raadplegingen consultations chez le médecin géné- the general practitioner for influ- voor griepaal syndroom tot 448 raliste pour syndrome grippal a aug- enza like illness increased to 448 raadplegingen per 100.000 inwo- menté jusqu’à 448 consultations consultations per 100,000 inhabit- ners (inclusief telefonische raadple- pour 100.000 habitants (consulta- ants (including contact by phone). gingen). De incidentie stijgt in alle tions téléphoniques inclus). L’inci- The incidence increases in all age leeftijdsgroepen in Wallonië en dence augmente dans chaque groups in the Walloon and Brussels Brussel en bij kinderen in Vlaande- tranche d’âge en Wallonie et Bruxet Region and among children in the ren. chez les enfants en Flandre. Flemish Region. 4 5 BEVESTIGDE GRIEP ONDER GRIPPE CONFIRMÉE PARMI CONFIRMED FLU AMONG GRIEPALE SYNDROMEN IN DE LES SYNDROMES GRIPPAUX FLU-LIKE SYNDROMS IN HUISARTSPRAKTIJK EN MÉDECINE GÉNÉRALE PRIMARY CARE Virologische surveillance Surveillance virologique par Virological surveillance by door het NRC Influenza le NRC Influenza the NRC Influenza In de afgelopen week waren 39% La semaine passée, 39% des échan- In the past week, 39% of the res- van de respiratoire stalen verza- tillons respiratoires recoltés par les piratory samples collected by the meld door de peilpraktijken positief médecins vigies étaient positifs sentinel general practitioners voor het griepvirus. Het betrof zo- pour influenza. Il s'agissait des virus tested positive for influenza. These wel influenza A als influenza B virus- influenza A et influenza B. were both influenza A and influenza sen.. B viruses. Subtype distribution since week 40 Flu detection / ty- FLU A subtyping FLU B lineage ping ne- A A ga- A B A NT YAM* VIC* B NL H1* H3* tive Number of sam- ples with given re- 19 9 3 7 2 0 0 3 0 Week 11/2020 sult Number of 31 31 31 9 9 9 3 3 3 tested samples Percentage (%) 61% 29% 10% 78% 22% 0% 0% 100% 0% Number of sam- Total ples with given re- 308 282 23 164 112 6 0 23 0 (week 40/2019 - sult Number of 11/2020) 613 613 613 282 282 282 23 23 23 tested samples Percentage (%) 50% 46% 4% 58% 40% 2% 0% 100% 0% * Subtyping only realised on part of positive samples NT= not subtyped/non subtypable NL = no lineage dete The samples of the past few weeks are currently being tested for COVID-19. From next week you can find the results of this surveillance in this bulletin. 6 INDICATOREN VAN ERNST INDICATEURS DE SÉVÉRITÉ SEVERITY INDICATORS BIJ VOOR GRIEP GEHOSPITA- PARMI LES PATIENTS AMONG PATIENTS HOSPI- LISEERDE PATIËNTEN HOSPITALISÉS À CAUSE TALIZED FOR FLU D’UNE GRIPPE Geregistreerd door de 6 peilziekenhuizen Enregistrés par les 6 hôpi- Registered by the taux vigies 6 sentinel hospitals Vorige week werd bij 42% van de La semaine passée, 42% des pa- Last week, in 42% of patients voor een acute luchtweginfectie tients admis pour une infection res- admitted for acute respiratory opgenomen patiënten een influ- piratoire aigue étaient atteints infection an influenza infection was enza infectie gevonden. d’une infection à influenza. detected. Het aantal ziekenhuisopnames Le nombre d’hospitalisations pour The number of hospital admissions voor griep met bepaalde ernstige la grippe avec certaines complica- for flu with certain severe verwikkelingen zoals ARDS (acuut tions sévères tels que le ARDS (in- complications such as ARDS (acute respiratoir falen) is iets hoger in suffisance respiratoire aigue) est respiratory failure) is slightly higher vergelijking met vorige jaren. légèrement plus élevé que les an- compared to previous years. nées précédentes. The samples of the past few weeks are currently being tested for COVID-19. From next week you can find the results of this surveillance in this bulletin. 7 Indicators for severe complications: ARDS, invasive respiratory support, ECMO, ICU admission or death 8 AANTAL INFLUENZA NOMBRE D'INFECTIONS À NUMBER OF INFLUENZA INFECTIES INFLUENZA INFECTIONS DIAGNOSED GEDIAGNOTICEERD DOOR DIAGNOSTIQUÉES EN BY LAB TESTS LABO-ANALYSE LABORATOIRE Geregistreerd door het Enregistrés par le réseau netwerk van peillaboratoria Registered by the sentinel des laboratoires vigies network of laboratories Het aantal influenza infecties gedi- agnosticeerd door de peillaborato- Le nombre d'infections à influenza The number of influenza infections ria daalt in week 9, behalve bij vol- diagnostiqués par les laboratoires diagnosed by the sentinel laborato- wassenen (15-64j). Onder de griep- vigies diminuait jusqu’à la semaine ries decreased until week 9, except diagnoses waren er 81% positief 9, excepté chez les adultes (15-64 among adults (15-64y). Among the voor influenza A, 7% voor influenza ans). Parmi les échantillons positifs influenza diagnoses, 81% were B en 12% waren niet getypeerd. pour influenza, 81% sont positifs positive for influenza A, 7% were pour influenza A, 7% positifs pour positive for influenza B and 12% influenza B et 12% n’ont pas été ty- were not typed. pés. By season By age group By type By agegroup 9 ACUTE IN FECTIONS ACUTE RESPIRATORY LUCHTWEGINFECTIES RESPIRATOIRES AIGUËS IN FECTIONS Klinische surveillance
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