About the Authors

Gaëtan Muyldermans

gaetan.muyldermans@wiv-isp.be

Affiliation WIV-ISP, OD Public Health and Surveillance, Unit ‘Epidemiology of infectious diseases’, Brussels, Belgium

Geneviève Ducoffre

Affiliation WIV-ISP, OD Public Health and Surveillance, Unit ‘Epidemiology of infectious diseases’, Brussels, Belgium

Mathias Leroy

Affiliation WIV-ISP, OD Public Health and Surveillance, Unit ‘Epidemiology of infectious diseases’, Brussels, Belgium

Yves Dupont

Affiliation WIV-ISP, OD Public Health and Surveillance, Unit ‘Epidemiology of infectious diseases’, Brussels, Belgium

Sophie Quolin

Affiliation WIV-ISP, OD Public Health and Surveillance, Unit ‘Epidemiology of infectious diseases’, Brussels, Belgium

participating sentinel laboratories

Membership of the participating sentinel laboratories is provided in the Acknowledgments.

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: GM GD. Data curation: ML YD. Formal analysis: GM GD. Funding acquisition: SQ. Investigation: GM GD. Methodology: GM GD. Project administration: GM GD. Resources: SQ. Software: ML. Supervision: GM GD. Validation: GM GD. Visualization: GM GD. Writing – original draft: GM GD. Writing – review & editing: GM GD ML SQ.