The oldest unvaccinated Covid-19 survivors in South America - Castro, Mateus Vidigal de; Silva, Moníze Valéria Ramos da; Naslavsky, Michel; Scliar, Marilia O; Nunes, Kelly; Passos-Bueno, Maria Rita; Magawa, Jhosiene Yukari; Adami, Flávia L; Moretti, Ana Iochabel Soares; Oliveira, Vivian L. de; Boscardin, Silvia Beatriz; Cunha Neto, Edecio; et al. (Immunity & Ageing, 2022)