Communicable Disease Threats Report, 12-18 January 2020, week 3
This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 12-18 January 2020 and includes updates on Ebola virus disease, dengue, chikungunya, influenza and pnuemonia cases in China.
Influenza virus characterisation, December 2019
This is the third report for the 2019–20 influenza season. As of week 1/2020, 42 844 influenza detections had been reported across the WHO European Region; 85% type A viruses, with A(H3N2) prevailing over A(H1N1)pdm09, and 15% type B viruses, with 531 (92%) of 576 ascribed to a B/Victoria lineage.