Prevalence of Anti-SARS-CoV-2 Antibodies and Potential Determinants among the Belgian Adult Population: Baseline Results of a Prospective Cohort Study, Leclercq, V, Van den Houte Nayema, Gisle Lydia, Roukaerts Inge, Barbezange Cyril, Desombere I, Duysburgh Els, and Van der Heyden Johan , Viruses, Jan-05-2022, Volume 14, Issue 5, (2022)