Villarreal Ríos, E., Hernández García, M. Ángel, Dávalos Álvarez, J., Galicia Rodríguez, L., Santibáñez Beltrán, S., Vargas Daza, E. R., Maldonado Cisneros, M. and Guevara Iturriaga, S. (2023) “Effectiveness of the vaccine against SARS-CoV-2 upon hospitalizations during the fourth epidemic wave in Queretaro, Mexico”, ACTA MEDICA PERUANA, 40(1). doi: 10.35663/amp.2023.401.2476.