Risk of reinfection and disease after SARS‐CoV‐2 primary infection: Meta‐analysis. - Flacco, Maria Elena; Acuti Martellucci, Cecilia; Baccolini, Valentina; De Vito, Corrado; Renzi, Erika; Villari, Paolo; Manzoli, Lamberto (European Journal of Clinical Investigation, 2022)