Graham, M. S., Sudre, C. H., May, A., Antonelli, M., Murray, B., Varsavsky, T., Kläser, K., Canas, L. S., Molteni, E., Modat, M., Drew, D. A., Nguyen, L. H., Polidori, L., Selvachandran, S., Hu, C., Capdevila, J., Hammers, A., Chan, A. T., Wolf, J., … Gunson, R. N. (2021). Changes in symptomatology, reinfection, and transmissibility associated with the SARS-CoV-2 variant B.1.1.7: an ecological study. The Lancet Public Health, 6(5), e335–e345. https://doi.org/10.1016/s2468-2667(21)00055-4
