Eurosurveillance - Volume 28, Issue 5, 02 February 2023

Preparing Europe for future health threats and crises: the European Health Union
Rapid communication
Wild poliovirus type 3 (WPV3)-shedding event following detection in environmental surveillance of poliovirus essential facilities, the Netherlands, November 2022 to January 2023
Vaccine effectiveness estimates from an early-season influenza A(H3N2) epidemic, including unique genetic diversity with reassortment, Canada, 2022/23
Risk reduction of hospitalisation and severe disease in vaccinated COVID-19 cases during the SARS-CoV-2 variant Omicron BA.1-predominant period, Navarre, Spain, January to March 2022
Minimising school disruption under high incidence conditions due to the Omicron variant in France, Switzerland, Italy, in January 2022
Erratum for Euro Surveill. 2023;28(1)