Fleas are ectoparasitic blood-sucking insects with the ability to jump, which commonly infest wild and domestic animals (mainly dogs and cats) but also humans.
In 2022, the first and second most reported zoonoses in humans were campylobacteriosis and salmonellosis, respectively. The number of cases of campylobacteriosis and salmonellosis remained stable in comparison with 2021.
Campylobacteriosis and salmonellosis were the most frequently reported zoonotic diseases in humans in the EU in 2022. For West Nile virus, an increase of the number of infections was observed.
Mumps is a viral infection first described by Hippocrates that in its classical form causes acute parotitis and, less frequently, orchitis, meningitis and pneumonia.
This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 12 - 18 November 2023 and includes updates on SARS-CoV-2 variant classification, West Nile virus, multistate outbreak of salmonella, and an overview of respiratory virus epidemiology in the EU/EEA.
From 1 January–24 October 2023, 335 laboratory-confirmed Salmonella Enteritidis ST11 cases belonging to three distinct microbiological clusters have been reported in 14 EU/EEA countries, the United Kingdom and the United States, affecting all age groups.
In 2021, 1 567 cases of mumps were reported to ECDC by 27 European Union/European Economic Area(EU/EEA) Member States, with an overall notification rate of 0.4 cases per 100 000 population. This wassignificantly lower than the notification rates reported during the previous four years (range 1.7-4.2).