1. European Commission: Press statement by Commissioner Kyriakides on vaccine deliveries and on the vaccine export transparency scheme (2021)
2. Williams, J., Degeling, C., McVernon, J., Dawson, A.: How should we conduct pandemic vaccination? Vaccine (2021). https://doi.org/10.1016/j.vaccine.2020.12.059
3. Bubar, K.M., Reinholt, K., Kissler, S.M., Lipsitch, M., Cobey, S., Grad, Y.H., Larremore, D.B.: Model-informed COVID-19 vaccine prioritization strategies by age and serostatus. Science (2021). https://doi.org/10.1126/science.abe6959
4. Vygen-Bonnet, S., Bogdan, C., Heininger, U., Littmann, M., Meyer, H., Schmid-Küpke, N., Terhardt, M., Überla, K., van der Sande, M., Wichmann, O., Wicker, S., Wiedermann, U., Wild, V., von Kries, R.: Beschluss der STIKO zur 2. Aktualisierung der COVID-19-Impfempfehlung und die dazugehörige wissenschaftliche Begründung. Robert Koch Institute. Robert-Koch-Institut. https://www.rki.de/DE/Content/Infekt/EpidBull/Archiv/2021/Ausgaben/02_21.pdf?__blob=publicationFile (2021)
5. Libotte, G.B., Lobato, F.S., Platt, G.M., Silva Neto, A.J.: Determination of an optimal control strategy for vaccine administration in COVID-19 pandemic treatment. Comput. Methods Programs Biomed. (2020). https://doi.org/10.1016/j.cmpb.2020.105664