Infection with Coxiella burnetii is frequently associated with abortion in
ruminants. It is also the aetiological agent of fever in man and is therefo
re a zoonosis. Coxiella burnetii ran be isolated in cell culture. Microbial
contaminants are separated by a filtration step.
Propagatian of Coxiella burnetii far antigen preparation is performed using
serum-free media. The method allows inactivation of the agent by hearing w
ithout the problem of protein precipitation.