Ortiz-BarbozaAdolfo, Alvarado-PradoRebeca, and Loaiza-ValverdeYazmín. “Impact of Vaccination on Respiratory Infections in Employees of Companies Affiliated With the Corporate Department of a Private Hospital in Costa Rica, March–July 2023”. Acta Académica 79, no. Noviembre (November 10, 2026): 95-112. Accessed November 15, 2026. http://revista.uaca.ac.cr/index.php/actas/article/view/1434.