This report contains genetic and antigenic characterization data generated at the Worldwide Influenza Centre for viruses with collection dates after 31 January 2023 until 31 August 2023.
This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 10-16 December 2023 and includes updates on measles, chikungunya, dengue, SARS-CoV-2, diphtheria, West Nile virus, respiratory virus epidemiology and influenza.
Several viral and bacterial respiratory pathogens are expected to continue co-circulating at variable levels during the coming months, and contribute to increased morbidity and mortality during this period. This is typical of every winter season.
This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 3-9 December 2023 and includes updates on respiratory virus epidemiology in the EU/EEA, SARS-CoV-2 variant classification, measles, mpox, Mycoplasma pneumoniae, West Nile virus, and MERS-CoV.
Lymphogranuloma venereum (LGV) is a systemic sexually transmitted infection (STI) caused by Chlamydia trachomatis serovars L1, L2, or L3. In 2021, 1 124 cases of LGV were reported by 23 EU/EEA Member States.
For 2021, 27 EU/EEA Member States reported 184 542 confirmed cases of chlamydia infection. The crude notification rate was 74 cases per 100 000 population.