For 2020, 28 countries reported 1 647 cases of hantavirus infection (0.4 cases per 100 000 population), mainly caused by Puumala virus (98%). During the period 2016–2020, the overall notification rate fluctuated between 0.4 and 1.0 cases per 100 00 population, with no obvious long-term trend.
This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 18-24 April 2021and includes updates on COVID-19, influenza, measles, Ebola virus disease, chikungunya and dengue.
A recently published study conducted between 2011 and 2018 in China, and based on surveillance data in pigs, identified an emerging genotype 4 (G4) reassortant Eurasian avian-like (EA) A(H1N1) swine influenza virus that contains internal genes from the human A(H1N1)pdm09 and North American triple-reassortant (TR) lineage-derived internal genes.