1. Tarín-Vicente, E. J. et al. Lancet https://doi.org/10.1016/S0140-6736(22)01436-2 (2022).
2. Thornhill, J. P. et al. N. Engl. J. Med. https://doi.org/10.1056/NEJMoa2207323 (2022).
3. Peiró-Mestres, A. et al. Eurosurveillance 27, 2200503 (2022).
4. Lapa, D. et al. Lancet Inf. Dis. https://doi.org/10.1016/S1473-3099(22)00513-8 (2022).