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This document provides an assessment of the public health risk associated with a multi-country outbreak of Salmonella Agona associated with consumption of potentially contaminated infant formula from France.

A multi-country outbreak of 12 listeriosis cases caused by Listeria monocytogenes sequence type (ST) 8 has been identified through whole genome sequencing (WGS) analysis in three EU/EEA countries: Denmark (6 cases), Germany (5) and France (1).

This technical guidance aims to provide guidelines to laboratories and relevant stakeholders in the European Union (EU), European Economic Area (EEA) and other countries in the WHO European region in making decisions on establishing sequencing capacities and capabilities, in making decisions on which technologies to use and/or in deciding on the role of sequencing for SARS-CoV-2 diagnostics, research, outbreak investigations and surveillance.

A multi-country cluster of multidrug-resistant tuberculosis (MDR TB) involving 28 migrants has been delineated by whole genome sequencing (WGS) in migrants recently having arrived from countries in the Horn of Africa.