This issue of the Communicable Disease Threats Report (CDTR) covers the period 15-21 January 2023 and includes updates on COVID-19, diphtheriae, influenza, Mpox and Cholera.
As of week 48/2022, 24 737 detections had been reported. Of these detections, 93% were type A viruses, with A(H3N2) dominating (64%) over A(H1N1)pdm09 (36%), and 13% type B of which 321 were ascribed to a lineage, with all being B/Victoria.
ECDC monitors and reports on influenza activity in Europe on a weekly basis throughout the flu season, in collaboration with WHO Regional Office for Europe.
This issue of the CDTR covers the period 18-24 December 2022 and includes updates on chikungunya, cholera, COVID-19, dengue, C. diphtheriae, Ebola, influenza A(H5N1), Influenza A(H9N2), mass gathering monitoring, Mpox, swine influenza.
The 2021−2022 influenza season in the EU/EEA marked the return of influenza virus activity after a low-level circulation following the onset of the COVID-19 pandemic.
Since the end of October 2022 and as of week 47, several EU/EEA countries have indicated an increase in paediatric hospitalisations due to RSV infections causing bronchiolitis, amidst concurrent circulation of other respiratory pathogens, such as the influenza and SARS-CoV-2 viruses.