Coxiella burnetii infection in cattle

Q fever is a worldwide zoonosis. In ruminants (the main reservoir for the infection) reproductive problems (abortion at the end of gestation, uterine infections, infertility) are described in animals infected with Coxiella burnetii. To assess the risk of transmission of infection between cattle and between cattle and humans, knowledge of pathogenesis and epidemiology of the infection in cattle is essential. The possible routes of excretion of Coxiella burnetii are understood however the characteristics and factors that favour excretion remain unknown. The PCR technique is the current method of choice for diagnosis of Q fever. The efficacy of available management methods has not been assessed in cattle and further information is required.