Vaccine effectiveness against symptomatic SARS-CoV-2 infection in adults aged 65 years and older in primary care: I-MOVE-COVID-19 project, Europe, December 2020 to May 2021 Kissling, Esther and Hooiveld, Mariette and Sandonis Martín, Virginia and Martínez-Baz, Iván and William, Naoma and Vilcu, Ana-Maria and Mazagatos, Clara and Domegan, Lisa and de Lusignan, Simon and Meijer, Adam and Machado, Ausenda and Brytting, Mia and Casado, Itziar and Murray, Josephine-L K. and Belhillil, Sylvie and Larrauri, Amparo and O’Donnell, Joan and Tsang, Ruby and de Lange, Marit and Rodrigues, Ana Paula and Riess, Maximilian and Castilla, Jesús and Hamilton, Mark and Falchi, Alessandra and Pozo, Francisco and Dunford, Linda and Cogdale, Jade and Jansen, Tessa and Guiomar, Raquel and Enkirch, Theresa and Burgui, Cristina and Sigerson, Debbie and Blanchon, Thierry and Martínez Ochoa, Eva María and Connell, Jeff and Ellis, Joanna and van Gageldonk-Lafeber, Rianne and Kislaya, Irina and Rose, Angela MC and Valenciano, Marta and I-MOVE-COVID-19 primary care study team, Eurosurveillance, 26, 2100670 (2021), https://doi.org/10.2807/1560-7917.ES.2021.26.29.2100670