Response to Letter to the Editor: Importance of considering high-risk behaviours in COVID-19 vaccine effectiveness estimates with observational studies

Euro Surveill. 2023 Jan;28(4):2300044. doi: 10.2807/1560-7917.ES.2023.28.4.2300044.

Authors

Catharina E van Ewijk^{1

2}, Susan Jm Hahné¹, Mirjam J Knol¹; all co-authors of the original article³

Affiliations

¹ Centre for Infectious Disease Control, National Institute for Public Health and Environment (RIVM), Bilthoven, the Netherlands.
² European Programme for Intervention Epidemiology Training (EPIET), European Centre for Disease Prevention and Control (ECDC), Stockholm, Sweden.
³ https://www.eurosurveillance.org/content/10.2807/1560-7917.ES.2022.27.45.2200217.

PMID: 36700866
PMCID: PMC9881179
DOI: 10.2807/1560-7917.ES.2023.28.4.2300044

No abstract available

Keywords: COVID-19 vaccine effectiveness; confounding; risk-behaviour; test-negative design.