@article{:/content/10.2807/1560-7917.ES.2021.26.38.2100833, author = "Nunes, Baltazar and Rodrigues, Ana Paula and Kislaya, Irina and Cruz, Camila and Peralta-Santos, André and Lima, João and Pinto Leite , Pedro and Sequeira, Duarte and Matias Dias , Carlos and Machado, Ausenda", title = "mRNA vaccine effectiveness against COVID-19-related hospitalisations and deaths in older adults: a cohort study based on data linkage of national health registries in Portugal, February to August 2021", journal = "Eurosurveillance", year = "2021", volume = "26", number = "38", eid = 2100833, pages = "", url = "https://www.eurosurveillance.org/content/10.2807/1560-7917.ES.2021.26.38.2100833", doi = "https://doi.org/10.2807/1560-7917.ES.2021.26.38.2100833" }