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

References

1. World Health Organization (WHO). Evaluation of COVID-19 vaccine effectiveness: interim guidance, 17 March 2021. Geneva: WHO; 2021. Available from: https://apps.who.int/iris/handle/10665/340301
2. Netherlands to reopen further with coronavirus entry passes. The Hague: Government of the Netherlands; 2021. Available from: https://www.government.nl/latest/news/2021/09/14/netherlands-to-reopen-further-with-coronavirus-entry-passes
3. Arashiro T, Arima Y, Muraoka H, Sato A, Oba K, Uehara Y, et al. COVID-19 vaccine effectiveness against symptomatic SARS-CoV-2 infection during Delta-dominant and Omicron-dominant periods in Japan: a multi-center prospective case-control study (FASCINATE study). Clin Infect Dis. 2022;ciac635.  https://doi.org/10.1093/cid/ciac635  PMID: 35918782