Belgian bulk tank milk surveillance program reveals the impact of a continuous vaccination protocol for small ruminants against Coxiella burnetii., Jansen, Wiebke, Cargnel Mickael, Boarbi Samira, Mertens Ingeborg, Van Esbroeck Marjan, Fretin David, and Mori Marcella , Transbound Emerg Dis, 2021 Aug 06, (2021)