Communicable disease threats report, 31 January - 6 February 2026, week 6

This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 31 January - 6 February 2026 and includes updates on respiratory virus epidemiology in the EU/EEA, SARS-CoV-2 variant classification, Bacillus cereus toxin in infant formula, mass gathering monitoring, mpox, Nipah virus, and Middle East respiratory virus syndrome.