Effectiveness of COVID-19 vaccines against hospitalisation in Latin America during three pandemic waves, 2021–2022: a test-negative case-control designResearch in context by Francisco Nogareda, Annette K. Regan, Paula Couto, Ashley L. Fowlkes, Radhika Gharpure, Sergio Loayza, Juliana Almeida Leite, Angel Rodríguez, Andrea Vicari, Eduardo Azziz-Baumgartner, Daniel Salas, María Fernanda Olivares Barraza, Natalia Vergara Mallegas, Paula Rodríguez Ferrari, Viviana Sotomayor Proschle, Rodrigo Fasce Pineda, Patricia Bustos Alister, Marcela Avendaño, Iván Brstilo, Roberto Arroba Tijerino, Guiselle Guzmán Saborío, Hebleen Brenes Porras, Lorena Gobern, Antonio Paredes, Maribel Cuyan, Claudia Estrada, Christa Leal, Liz Parra, Pablo Galindo, Lucas Santos, Raúl Francisco Pérez Tasigchana, Lucía Alexandra Astudillo Vallejo, Alfredo Bruno Caicedo, Alvaro Whittenbury, Marta Von Horoch, Silvia Battaglia, Chavely Domínguez, Elena Penayo, Cynthia Vázquez, Maria José Ortega, Fabiana Michel, María Emilia Nieto, Dahiana Tritten, Viviana Ramas, Natalia Goñi, Héctor Chiparelli

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