Authors’ response: Efficacy and effectiveness of COVID-19 vaccines against SARS-CoV-2 infection: More data on asymptomatic SARS-CoV-2 infection Harder, Thomas and Koch, Judith and Vygen-Bonnet, Sabine and Külper-Schiek, Wiebe and Pilic, Antonia and Reda, Sarah and Scholz, Stefan and Wichmann, Ole, Eurosurveillance, 26, 2100832 (2021), https://doi.org/10.2807/1560-7917.ES.2021.26.35.2100832