Seroprevalence and associated risk factors of Coxiella burnetii in small ruminants in Trás-os-Montes, Portugal.
BACKGROUND Q fever, caused by Coxiella burnetii, is a globally distributed zoonosis associated with small ruminants. In Mediterranean regions, where extensive farming systems prevail, understanding environmental and management drivers of infection is essential for public health. This study estimated the seroprevalence...