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.
Poliovirus is highly contagious and infected individuals shed virus in the faeces and from oral secretions, thus the mode of transmission is person-to-person, both via the faecal-oral and the oral-oral routes.
This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 16-22 July 2023 and includes updates on avian influenza, Echovirus 11, COVID-19, West Nile virus, poliomyelitis, and botulism.
Globally, as of 9 August, 19 cases of polio due to wild poliovirus type 1 (WPV1) and 223 cases due to circulating vaccine derived poliovirus (cVDPV) have been reported this year. In 2022, the cVDPV cases have been reported in 15 countries, with 93% of the cases attributed to cVDPV type 2 (cVDPV2).