Eurosurveillance - Volume 27, Issue 11, 17 March 2022

Rapid communication
Surveillance and return to work of healthcare workers following SARS-CoV-2 Omicron variant infection, Sheffield, England, 17 January to 7 February 2022
Enhancing epidemiological surveillance of the emergence of the SARS-CoV-2 Omicron variant using spike gene target failure data, England, 15 November to 31 December 2021

Molecular epidemiology of hepatitis A outbreaks and sporadic cases, Latvia, 2017 to 2019
Large-scale decontamination of disposable FFP2 and FFP3 respirators by hydrogen peroxide vapour, Finland, April to June 2020
SARS-CoV-2 infection among educational staff in Berlin, Germany, June to December 2020