<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>27</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">V Leclercq</style></author><author><style face="normal" font="default" size="100%">Lydia Gisle</style></author><author><style face="normal" font="default" size="100%">Nayema Van den Houte</style></author><author><style face="normal" font="default" size="100%">Johan Van der Heyden</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Prevalence of anti-SARS-CoV-2 antibodies in the general population in Belgium, March 2021 - April 2022</style></title></titles><keywords><keyword><style  face="normal" font="default" size="100%">anti_SARS-CoV-2 antibodies</style></keyword><keyword><style  face="normal" font="default" size="100%">Coronavirus</style></keyword><keyword><style  face="normal" font="default" size="100%">general population</style></keyword><keyword><style  face="normal" font="default" size="100%">sero-prevalence study</style></keyword></keywords><language><style face="normal" font="default" size="100%">eng</style></language></record></records></xml>