Meslé, M., Brown, J., Mook, P., Hagan, J., Pastore, R., Bundle, N., Spiteri, G., Ravasi, G., Nicolay, N., Andrews, N., Dykhanovska, T., Mossong, J., Sadkowska-Todys, M., Nikiforova, R., Riccardo, F., Meijerink, H., Marzagatos, C., Kyncl, J., McMenamin, J., Melillo, T., Kaoustou, S., Lévy-Bruhl, D., Haarhuis, F., Rich, R., Kall, M., Nitzan, D., Smallwood, C. & Pebody, R. 2021, 'Estimated number of deaths directly averted in people 60 years and older as a result of COVID-19 vaccination in the WHO European Region, December 2020 to November 2021', Eurosurveillance, 26(47). https://doi.org/10.2807/1560-7917.ES.2021.26.47.2101021