Virological surveillance of influenza in Belgium, season 2019-2020

Last updated on 2-1-2024 by Cyril Barbezange

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Sci. report, recommendat°, guidance doc., directive, monograph


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The 2019-2020 winter season was characterized by the occurrence after the flu epidemic of the COVID-19 pandemic.  The Influenza epidemic in Belgium lasted 6 weeks and was a flu season of moderate intensity characterized by the co-circulation of A(H1N1)pdm09 and A(H3N2), with the predominance of A(H1N1). The epidemic threshold was crossed at  week 4-2020 (January 13 to January 19, 2020 with an incidence of 245 consultations /100.000 inhabitants and the peak was reached in week 5 with 550 consultations/100.000 inhabitants. After week 5- 2020, the incidence of ILI consultations decre…

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